Home / 124,456.50-171,762.93-76,708.62

Finding the Fourth Proportional to 124,456.50, 171,762.93 and 76,708.62

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Solution

The fourth proportional to 124,456.50, 171,762.93 and 76,708.62 is: 105,865.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,456.50 : 171,762.93 = 76,708.62 : x
  2. Step 2: Convert to fraction form
    124,456.50/171,762.93 = 76,708.62/x
  3. Step 3: Cross multiply
    124,456.50x = 171,762.93 × 76,708.62
  4. Step 4: Simplify right side
    124,456.50x = 13,175,697,327.46
  5. Step 5: Solve for x
    x = 13,175,697,327.46/124,456.50
  6. Step 6: Final answer
    x = 105,865.88

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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.