Home / 102,288.08-141,157.48-57,577.04

Finding the Fourth Proportional to 102,288.08, 141,157.48 and 57,577.04

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Solution

The fourth proportional to 102,288.08, 141,157.48 and 57,577.04 is: 79,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,288.08 : 141,157.48 = 57,577.04 : x
  2. Step 2: Convert to fraction form
    102,288.08/141,157.48 = 57,577.04/x
  3. Step 3: Cross multiply
    102,288.08x = 141,157.48 × 57,577.04
  4. Step 4: Simplify right side
    102,288.08x = 8,127,429,872.26
  5. Step 5: Solve for x
    x = 8,127,429,872.26/102,288.08
  6. Step 6: Final answer
    x = 79,456.28

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1.5x scale

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.