Home / 137,010.18-205,631.91-53,962.50

Finding the Fourth Proportional to 137,010.18, 205,631.91 and 53,962.50

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Solution

The fourth proportional to 137,010.18, 205,631.91 and 53,962.50 is: 80,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,010.18 : 205,631.91 = 53,962.50 : x
  2. Step 2: Convert to fraction form
    137,010.18/205,631.91 = 53,962.50/x
  3. Step 3: Cross multiply
    137,010.18x = 205,631.91 × 53,962.50
  4. Step 4: Simplify right side
    137,010.18x = 11,096,411,943.38
  5. Step 5: Solve for x
    x = 11,096,411,943.38/137,010.18
  6. Step 6: Final answer
    x = 80,989.69

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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.