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Finding the Fourth Proportional to 157,219.70, 235,829.55 and 94,234.10

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Solution

The fourth proportional to 157,219.70, 235,829.55 and 94,234.10 is: 141,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,219.70 : 235,829.55 = 94,234.10 : x
  2. Step 2: Convert to fraction form
    157,219.70/235,829.55 = 94,234.10/x
  3. Step 3: Cross multiply
    157,219.70x = 235,829.55 × 94,234.10
  4. Step 4: Simplify right side
    157,219.70x = 22,223,185,397.66
  5. Step 5: Solve for x
    x = 22,223,185,397.66/157,219.70
  6. Step 6: Final answer
    x = 141,351.15

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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.