Home / 87,204.04-130,577.70-57,123.66

Finding the Fourth Proportional to 87,204.04, 130,577.70 and 57,123.66

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Solution

The fourth proportional to 87,204.04, 130,577.70 and 57,123.66 is: 85,535.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,204.04 : 130,577.70 = 57,123.66 : x
  2. Step 2: Convert to fraction form
    87,204.04/130,577.70 = 57,123.66/x
  3. Step 3: Cross multiply
    87,204.04x = 130,577.70 × 57,123.66
  4. Step 4: Simplify right side
    87,204.04x = 7,459,075,258.53
  5. Step 5: Solve for x
    x = 7,459,075,258.53/87,204.04
  6. Step 6: Final answer
    x = 85,535.89

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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.