Home / 224,153.76-309,330.16-122,179.20

Finding the Fourth Proportional to 224,153.76, 309,330.16 and 122,179.20

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Solution

The fourth proportional to 224,153.76, 309,330.16 and 122,179.20 is: 168,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,153.76 : 309,330.16 = 122,179.20 : x
  2. Step 2: Convert to fraction form
    224,153.76/309,330.16 = 122,179.20/x
  3. Step 3: Cross multiply
    224,153.76x = 309,330.16 × 122,179.20
  4. Step 4: Simplify right side
    224,153.76x = 37,793,711,484.67
  5. Step 5: Solve for x
    x = 37,793,711,484.67/224,153.76
  6. Step 6: Final answer
    x = 168,606.19

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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.