Home / 157,941.76-217,818.54-131,041.66

Finding the Fourth Proportional to 157,941.76, 217,818.54 and 131,041.66

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Solution

The fourth proportional to 157,941.76, 217,818.54 and 131,041.66 is: 180,720.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,941.76 : 217,818.54 = 131,041.66 : x
  2. Step 2: Convert to fraction form
    157,941.76/217,818.54 = 131,041.66/x
  3. Step 3: Cross multiply
    157,941.76x = 217,818.54 × 131,041.66
  4. Step 4: Simplify right side
    157,941.76x = 28,543,303,060.38
  5. Step 5: Solve for x
    x = 28,543,303,060.38/157,941.76
  6. Step 6: Final answer
    x = 180,720.43

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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.