Home / 160,215.33-240,465.55-85,397.25

Finding the Fourth Proportional to 160,215.33, 240,465.55 and 85,397.25

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Solution

The fourth proportional to 160,215.33, 240,465.55 and 85,397.25 is: 128,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,215.33 : 240,465.55 = 85,397.25 : x
  2. Step 2: Convert to fraction form
    160,215.33/240,465.55 = 85,397.25/x
  3. Step 3: Cross multiply
    160,215.33x = 240,465.55 × 85,397.25
  4. Step 4: Simplify right side
    160,215.33x = 20,535,096,689.74
  5. Step 5: Solve for x
    x = 20,535,096,689.74/160,215.33
  6. Step 6: Final answer
    x = 128,171.86

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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.