Home / 115,262.72-159,135.18-88,354.52

Finding the Fourth Proportional to 115,262.72, 159,135.18 and 88,354.52

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Solution

The fourth proportional to 115,262.72, 159,135.18 and 88,354.52 is: 121,984.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,262.72 : 159,135.18 = 88,354.52 : x
  2. Step 2: Convert to fraction form
    115,262.72/159,135.18 = 88,354.52/x
  3. Step 3: Cross multiply
    115,262.72x = 159,135.18 × 88,354.52
  4. Step 4: Simplify right side
    115,262.72x = 14,060,312,444.01
  5. Step 5: Solve for x
    x = 14,060,312,444.01/115,262.72
  6. Step 6: Final answer
    x = 121,984.91

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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.