Home / 98,200.07-147,300.20-28,079.38

Finding the Fourth Proportional to 98,200.07, 147,300.20 and 28,079.38

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Solution

The fourth proportional to 98,200.07, 147,300.20 and 28,079.38 is: 42,119.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,200.07 : 147,300.20 = 28,079.38 : x
  2. Step 2: Convert to fraction form
    98,200.07/147,300.20 = 28,079.38/x
  3. Step 3: Cross multiply
    98,200.07x = 147,300.20 × 28,079.38
  4. Step 4: Simplify right side
    98,200.07x = 4,136,098,289.88
  5. Step 5: Solve for x
    x = 4,136,098,289.88/98,200.07
  6. Step 6: Final answer
    x = 42,119.10

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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.