Home / 102,528.16-141,488.88-57,816.16

Finding the Fourth Proportional to 102,528.16, 141,488.88 and 57,816.16

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Solution

The fourth proportional to 102,528.16, 141,488.88 and 57,816.16 is: 79,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,528.16 : 141,488.88 = 57,816.16 : x
  2. Step 2: Convert to fraction form
    102,528.16/141,488.88 = 57,816.16/x
  3. Step 3: Cross multiply
    102,528.16x = 141,488.88 × 57,816.16
  4. Step 4: Simplify right side
    102,528.16x = 8,180,343,724.30
  5. Step 5: Solve for x
    x = 8,180,343,724.30/102,528.16
  6. Step 6: Final answer
    x = 79,786.31

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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.