Home / 162,223.13-243,334.69-51,415.13

Finding the Fourth Proportional to 162,223.13, 243,334.69 and 51,415.13

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Solution

The fourth proportional to 162,223.13, 243,334.69 and 51,415.13 is: 77,122.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,223.13 : 243,334.69 = 51,415.13 : x
  2. Step 2: Convert to fraction form
    162,223.13/243,334.69 = 51,415.13/x
  3. Step 3: Cross multiply
    162,223.13x = 243,334.69 × 51,415.13
  4. Step 4: Simplify right side
    162,223.13x = 12,511,084,719.86
  5. Step 5: Solve for x
    x = 12,511,084,719.86/162,223.13
  6. Step 6: Final answer
    x = 77,122.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.