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Finding the Fourth Proportional to 185,064.93, 255,820.01 and 165,119.49

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Solution

The fourth proportional to 185,064.93, 255,820.01 and 165,119.49 is: 228,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,064.93 : 255,820.01 = 165,119.49 : x
  2. Step 2: Convert to fraction form
    185,064.93/255,820.01 = 165,119.49/x
  3. Step 3: Cross multiply
    185,064.93x = 255,820.01 × 165,119.49
  4. Step 4: Simplify right side
    185,064.93x = 42,240,868,757.40
  5. Step 5: Solve for x
    x = 42,240,868,757.40/185,064.93
  6. Step 6: Final answer
    x = 228,248.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.