Home / 102,869.91-154,177.65-60,707.25

Finding the Fourth Proportional to 102,869.91, 154,177.65 and 60,707.25

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Solution

The fourth proportional to 102,869.91, 154,177.65 and 60,707.25 is: 90,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,869.91 : 154,177.65 = 60,707.25 : x
  2. Step 2: Convert to fraction form
    102,869.91/154,177.65 = 60,707.25/x
  3. Step 3: Cross multiply
    102,869.91x = 154,177.65 × 60,707.25
  4. Step 4: Simplify right side
    102,869.91x = 9,359,701,142.96
  5. Step 5: Solve for x
    x = 9,359,701,142.96/102,869.91
  6. Step 6: Final answer
    x = 90,985.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.