Home / 102,248.70-141,099.75-57,528.06

Finding the Fourth Proportional to 102,248.70, 141,099.75 and 57,528.06

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Solution

The fourth proportional to 102,248.70, 141,099.75 and 57,528.06 is: 79,386.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,248.70 : 141,099.75 = 57,528.06 : x
  2. Step 2: Convert to fraction form
    102,248.70/141,099.75 = 57,528.06/x
  3. Step 3: Cross multiply
    102,248.70x = 141,099.75 × 57,528.06
  4. Step 4: Simplify right side
    102,248.70x = 8,117,194,883.99
  5. Step 5: Solve for x
    x = 8,117,194,883.99/102,248.70
  6. Step 6: Final answer
    x = 79,386.78

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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.