Home / 107,520.54-161,008.65-57,417.18

Finding the Fourth Proportional to 107,520.54, 161,008.65 and 57,417.18

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Solution

The fourth proportional to 107,520.54, 161,008.65 and 57,417.18 is: 85,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,520.54 : 161,008.65 = 57,417.18 : x
  2. Step 2: Convert to fraction form
    107,520.54/161,008.65 = 57,417.18/x
  3. Step 3: Cross multiply
    107,520.54x = 161,008.65 × 57,417.18
  4. Step 4: Simplify right side
    107,520.54x = 9,244,662,638.61
  5. Step 5: Solve for x
    x = 9,244,662,638.61/107,520.54
  6. Step 6: Final answer
    x = 85,980.43

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1.5x scale

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.