Home / 160,365.02-240,476.40-85,471.18

Finding the Fourth Proportional to 160,365.02, 240,476.40 and 85,471.18

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Solution

The fourth proportional to 160,365.02, 240,476.40 and 85,471.18 is: 128,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,365.02 : 240,476.40 = 85,471.18 : x
  2. Step 2: Convert to fraction form
    160,365.02/240,476.40 = 85,471.18/x
  3. Step 3: Cross multiply
    160,365.02x = 240,476.40 × 85,471.18
  4. Step 4: Simplify right side
    160,365.02x = 20,553,801,670.15
  5. Step 5: Solve for x
    x = 20,553,801,670.15/160,365.02
  6. Step 6: Final answer
    x = 128,168.86

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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.