Home / 91,538.88-137,314.56-29,214.08

Finding the Fourth Proportional to 91,538.88, 137,314.56 and 29,214.08

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Solution

The fourth proportional to 91,538.88, 137,314.56 and 29,214.08 is: 43,823.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,538.88 : 137,314.56 = 29,214.08 : x
  2. Step 2: Convert to fraction form
    91,538.88/137,314.56 = 29,214.08/x
  3. Step 3: Cross multiply
    91,538.88x = 137,314.56 × 29,214.08
  4. Step 4: Simplify right side
    91,538.88x = 4,011,518,541.00
  5. Step 5: Solve for x
    x = 4,011,518,541.00/91,538.88
  6. Step 6: Final answer
    x = 43,823.11

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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.