Home / 91,301.04-136,853.28-59,699.16

Finding the Fourth Proportional to 91,301.04, 136,853.28 and 59,699.16

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Solution

The fourth proportional to 91,301.04, 136,853.28 and 59,699.16 is: 89,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,301.04 : 136,853.28 = 59,699.16 : x
  2. Step 2: Convert to fraction form
    91,301.04/136,853.28 = 59,699.16/x
  3. Step 3: Cross multiply
    91,301.04x = 136,853.28 × 59,699.16
  4. Step 4: Simplify right side
    91,301.04x = 8,170,025,859.24
  5. Step 5: Solve for x
    x = 8,170,025,859.24/91,301.04
  6. Step 6: Final answer
    x = 89,484.48

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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.