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Finding the Fourth Proportional to 157,492.88, 235,988.60 and 110,197.52

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Solution

The fourth proportional to 157,492.88, 235,988.60 and 110,197.52 is: 165,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,492.88 : 235,988.60 = 110,197.52 : x
  2. Step 2: Convert to fraction form
    157,492.88/235,988.60 = 110,197.52/x
  3. Step 3: Cross multiply
    157,492.88x = 235,988.60 × 110,197.52
  4. Step 4: Simplify right side
    157,492.88x = 26,005,358,468.27
  5. Step 5: Solve for x
    x = 26,005,358,468.27/157,492.88
  6. Step 6: Final answer
    x = 165,120.85

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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.