Home / 124,545.96-171,824.04-76,716.36

Finding the Fourth Proportional to 124,545.96, 171,824.04 and 76,716.36

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Solution

The fourth proportional to 124,545.96, 171,824.04 and 76,716.36 is: 105,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,545.96 : 171,824.04 = 76,716.36 : x
  2. Step 2: Convert to fraction form
    124,545.96/171,824.04 = 76,716.36/x
  3. Step 3: Cross multiply
    124,545.96x = 171,824.04 × 76,716.36
  4. Step 4: Simplify right side
    124,545.96x = 13,181,714,909.29
  5. Step 5: Solve for x
    x = 13,181,714,909.29/124,545.96
  6. Step 6: Final answer
    x = 105,838.16

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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.