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Finding the Fourth Proportional to 177,060.59, 265,642.59 and 57,114.87

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Solution

The fourth proportional to 177,060.59, 265,642.59 and 57,114.87 is: 85,688.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,060.59 : 265,642.59 = 57,114.87 : x
  2. Step 2: Convert to fraction form
    177,060.59/265,642.59 = 57,114.87/x
  3. Step 3: Cross multiply
    177,060.59x = 265,642.59 × 57,114.87
  4. Step 4: Simplify right side
    177,060.59x = 15,172,141,994.31
  5. Step 5: Solve for x
    x = 15,172,141,994.31/177,060.59
  6. Step 6: Final answer
    x = 85,688.99

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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.