Home / 89,117.86-133,654.92-39,210.52

Finding the Fourth Proportional to 89,117.86, 133,654.92 and 39,210.52

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Solution

The fourth proportional to 89,117.86, 133,654.92 and 39,210.52 is: 58,806.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,117.86 : 133,654.92 = 39,210.52 : x
  2. Step 2: Convert to fraction form
    89,117.86/133,654.92 = 39,210.52/x
  3. Step 3: Cross multiply
    89,117.86x = 133,654.92 × 39,210.52
  4. Step 4: Simplify right side
    89,117.86x = 5,240,678,913.76
  5. Step 5: Solve for x
    x = 5,240,678,913.76/89,117.86
  6. Step 6: Final answer
    x = 58,806.16

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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.