Home / 124,715.33-172,110.53-74,443.49

Finding the Fourth Proportional to 124,715.33, 172,110.53 and 74,443.49

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Solution

The fourth proportional to 124,715.33, 172,110.53 and 74,443.49 is: 102,734.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,715.33 : 172,110.53 = 74,443.49 : x
  2. Step 2: Convert to fraction form
    124,715.33/172,110.53 = 74,443.49/x
  3. Step 3: Cross multiply
    124,715.33x = 172,110.53 × 74,443.49
  4. Step 4: Simplify right side
    124,715.33x = 12,812,508,146.73
  5. Step 5: Solve for x
    x = 12,812,508,146.73/124,715.33
  6. Step 6: Final answer
    x = 102,734.03

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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.