Home / 125,313.46-172,930.31-70,864.79

Finding the Fourth Proportional to 125,313.46, 172,930.31 and 70,864.79

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Solution

The fourth proportional to 125,313.46, 172,930.31 and 70,864.79 is: 97,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,313.46 : 172,930.31 = 70,864.79 : x
  2. Step 2: Convert to fraction form
    125,313.46/172,930.31 = 70,864.79/x
  3. Step 3: Cross multiply
    125,313.46x = 172,930.31 × 70,864.79
  4. Step 4: Simplify right side
    125,313.46x = 12,254,670,712.27
  5. Step 5: Solve for x
    x = 12,254,670,712.27/125,313.46
  6. Step 6: Final answer
    x = 97,792.14

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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.