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Finding the Fourth Proportional to 88,937.16, 122,733.12 and 53,148.12

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Solution

The fourth proportional to 88,937.16, 122,733.12 and 53,148.12 is: 73,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,937.16 : 122,733.12 = 53,148.12 : x
  2. Step 2: Convert to fraction form
    88,937.16/122,733.12 = 53,148.12/x
  3. Step 3: Cross multiply
    88,937.16x = 122,733.12 × 53,148.12
  4. Step 4: Simplify right side
    88,937.16x = 6,523,034,589.73
  5. Step 5: Solve for x
    x = 6,523,034,589.73/88,937.16
  6. Step 6: Final answer
    x = 73,344.31

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1.5x scale

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.