Home / 145,133.44-200,274.24-81,462.40

Finding the Fourth Proportional to 145,133.44, 200,274.24 and 81,462.40

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Solution

The fourth proportional to 145,133.44, 200,274.24 and 81,462.40 is: 112,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,133.44 : 200,274.24 = 81,462.40 : x
  2. Step 2: Convert to fraction form
    145,133.44/200,274.24 = 81,462.40/x
  3. Step 3: Cross multiply
    145,133.44x = 200,274.24 × 81,462.40
  4. Step 4: Simplify right side
    145,133.44x = 16,314,820,248.58
  5. Step 5: Solve for x
    x = 16,314,820,248.58/145,133.44
  6. Step 6: Final answer
    x = 112,412.55

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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.