Home / 91,254.57-136,881.87-34,339.19

Finding the Fourth Proportional to 91,254.57, 136,881.87 and 34,339.19

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Solution

The fourth proportional to 91,254.57, 136,881.87 and 34,339.19 is: 51,508.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,254.57 : 136,881.87 = 34,339.19 : x
  2. Step 2: Convert to fraction form
    91,254.57/136,881.87 = 34,339.19/x
  3. Step 3: Cross multiply
    91,254.57x = 136,881.87 × 34,339.19
  4. Step 4: Simplify right side
    91,254.57x = 4,700,412,541.49
  5. Step 5: Solve for x
    x = 4,700,412,541.49/91,254.57
  6. Step 6: Final answer
    x = 51,508.79

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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.