Home / 224,117.12-309,280.92-122,148.20

Finding the Fourth Proportional to 224,117.12, 309,280.92 and 122,148.20

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Solution

The fourth proportional to 224,117.12, 309,280.92 and 122,148.20 is: 168,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,117.12 : 309,280.92 = 122,148.20 : x
  2. Step 2: Convert to fraction form
    224,117.12/309,280.92 = 122,148.20/x
  3. Step 3: Cross multiply
    224,117.12x = 309,280.92 × 122,148.20
  4. Step 4: Simplify right side
    224,117.12x = 37,778,107,672.34
  5. Step 5: Solve for x
    x = 37,778,107,672.34/224,117.12
  6. Step 6: Final answer
    x = 168,564.13

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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.