Home / 160,417.28-240,542.86-85,517.30

Finding the Fourth Proportional to 160,417.28, 240,542.86 and 85,517.30

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Solution

The fourth proportional to 160,417.28, 240,542.86 and 85,517.30 is: 128,231.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,417.28 : 240,542.86 = 85,517.30 : x
  2. Step 2: Convert to fraction form
    160,417.28/240,542.86 = 85,517.30/x
  3. Step 3: Cross multiply
    160,417.28x = 240,542.86 × 85,517.30
  4. Step 4: Simplify right side
    160,417.28x = 20,570,575,493.89
  5. Step 5: Solve for x
    x = 20,570,575,493.89/160,417.28
  6. Step 6: Final answer
    x = 128,231.67

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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.