Home / 98,720.45-148,080.55-32,160.47

Finding the Fourth Proportional to 98,720.45, 148,080.55 and 32,160.47

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Solution

The fourth proportional to 98,720.45, 148,080.55 and 32,160.47 is: 48,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,720.45 : 148,080.55 = 32,160.47 : x
  2. Step 2: Convert to fraction form
    98,720.45/148,080.55 = 32,160.47/x
  3. Step 3: Cross multiply
    98,720.45x = 148,080.55 × 32,160.47
  4. Step 4: Simplify right side
    98,720.45x = 4,762,340,085.86
  5. Step 5: Solve for x
    x = 4,762,340,085.86/98,720.45
  6. Step 6: Final answer
    x = 48,240.66

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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.