Home / 98,180.42-147,270.58-28,059.76

Finding the Fourth Proportional to 98,180.42, 147,270.58 and 28,059.76

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Solution

The fourth proportional to 98,180.42, 147,270.58 and 28,059.76 is: 42,089.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,180.42 : 147,270.58 = 28,059.76 : x
  2. Step 2: Convert to fraction form
    98,180.42/147,270.58 = 28,059.76/x
  3. Step 3: Cross multiply
    98,180.42x = 147,270.58 × 28,059.76
  4. Step 4: Simplify right side
    98,180.42x = 4,132,377,129.86
  5. Step 5: Solve for x
    x = 4,132,377,129.86/98,180.42
  6. Step 6: Final answer
    x = 42,089.63

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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.