Home / 177,387.60-245,061.46-116,278.86

Finding the Fourth Proportional to 177,387.60, 245,061.46 and 116,278.86

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Solution

The fourth proportional to 177,387.60, 245,061.46 and 116,278.86 is: 160,639.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,387.60 : 245,061.46 = 116,278.86 : x
  2. Step 2: Convert to fraction form
    177,387.60/245,061.46 = 116,278.86/x
  3. Step 3: Cross multiply
    177,387.60x = 245,061.46 × 116,278.86
  4. Step 4: Simplify right side
    177,387.60x = 28,495,467,198.74
  5. Step 5: Solve for x
    x = 28,495,467,198.74/177,387.60
  6. Step 6: Final answer
    x = 160,639.57

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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.