Home / 137,666.86-206,521.89-58,781.50

Finding the Fourth Proportional to 137,666.86, 206,521.89 and 58,781.50

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Solution

The fourth proportional to 137,666.86, 206,521.89 and 58,781.50 is: 88,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,666.86 : 206,521.89 = 58,781.50 : x
  2. Step 2: Convert to fraction form
    137,666.86/206,521.89 = 58,781.50/x
  3. Step 3: Cross multiply
    137,666.86x = 206,521.89 × 58,781.50
  4. Step 4: Simplify right side
    137,666.86x = 12,139,666,477.04
  5. Step 5: Solve for x
    x = 12,139,666,477.04/137,666.86
  6. Step 6: Final answer
    x = 88,181.47

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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.