Home / 98,944.20-148,416.30-72,700.20

Finding the Fourth Proportional to 98,944.20, 148,416.30 and 72,700.20

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Solution

The fourth proportional to 98,944.20, 148,416.30 and 72,700.20 is: 109,050.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,944.20 : 148,416.30 = 72,700.20 : x
  2. Step 2: Convert to fraction form
    98,944.20/148,416.30 = 72,700.20/x
  3. Step 3: Cross multiply
    98,944.20x = 148,416.30 × 72,700.20
  4. Step 4: Simplify right side
    98,944.20x = 10,789,894,693.26
  5. Step 5: Solve for x
    x = 10,789,894,693.26/98,944.20
  6. Step 6: Final answer
    x = 109,050.30

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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.