Home / 160,377.04-240,406.80-75,988

Finding the Fourth Proportional to 160,377.04, 240,406.80 and 75,988

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Solution

The fourth proportional to 160,377.04, 240,406.80 and 75,988 is: 113,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,377.04 : 240,406.80 = 75,988 : x
  2. Step 2: Convert to fraction form
    160,377.04/240,406.80 = 75,988/x
  3. Step 3: Cross multiply
    160,377.04x = 240,406.80 × 75,988
  4. Step 4: Simplify right side
    160,377.04x = 18,268,031,918.40
  5. Step 5: Solve for x
    x = 18,268,031,918.40/160,377.04
  6. Step 6: Final answer
    x = 113,906.78

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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.