Home / 124,753.14-172,110.51-76,923.45

Finding the Fourth Proportional to 124,753.14, 172,110.51 and 76,923.45

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Solution

The fourth proportional to 124,753.14, 172,110.51 and 76,923.45 is: 106,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,753.14 : 172,110.51 = 76,923.45 : x
  2. Step 2: Convert to fraction form
    124,753.14/172,110.51 = 76,923.45/x
  3. Step 3: Cross multiply
    124,753.14x = 172,110.51 × 76,923.45
  4. Step 4: Simplify right side
    124,753.14x = 13,239,334,210.46
  5. Step 5: Solve for x
    x = 13,239,334,210.46/124,753.14
  6. Step 6: Final answer
    x = 106,124.26

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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.