Home / 148,526.30-204,979.25-81,471.26

Finding the Fourth Proportional to 148,526.30, 204,979.25 and 81,471.26

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Solution

The fourth proportional to 148,526.30, 204,979.25 and 81,471.26 is: 112,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,526.30 : 204,979.25 = 81,471.26 : x
  2. Step 2: Convert to fraction form
    148,526.30/204,979.25 = 81,471.26/x
  3. Step 3: Cross multiply
    148,526.30x = 204,979.25 × 81,471.26
  4. Step 4: Simplify right side
    148,526.30x = 16,699,918,487.48
  5. Step 5: Solve for x
    x = 16,699,918,487.48/148,526.30
  6. Step 6: Final answer
    x = 112,437.45

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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.