Home / 91,262.04-136,897.92-28,937.40

Finding the Fourth Proportional to 91,262.04, 136,897.92 and 28,937.40

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Solution

The fourth proportional to 91,262.04, 136,897.92 and 28,937.40 is: 43,407.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,262.04 : 136,897.92 = 28,937.40 : x
  2. Step 2: Convert to fraction form
    91,262.04/136,897.92 = 28,937.40/x
  3. Step 3: Cross multiply
    91,262.04x = 136,897.92 × 28,937.40
  4. Step 4: Simplify right side
    91,262.04x = 3,961,469,870.21
  5. Step 5: Solve for x
    x = 3,961,469,870.21/91,262.04
  6. Step 6: Final answer
    x = 43,407.64

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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.