Home / 98,729.40-148,115.70-32,158.20

Finding the Fourth Proportional to 98,729.40, 148,115.70 and 32,158.20

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Solution

The fourth proportional to 98,729.40, 148,115.70 and 32,158.20 is: 48,244.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,729.40 : 148,115.70 = 32,158.20 : x
  2. Step 2: Convert to fraction form
    98,729.40/148,115.70 = 32,158.20/x
  3. Step 3: Cross multiply
    98,729.40x = 148,115.70 × 32,158.20
  4. Step 4: Simplify right side
    98,729.40x = 4,763,134,303.74
  5. Step 5: Solve for x
    x = 4,763,134,303.74/98,729.40
  6. Step 6: Final answer
    x = 48,244.34

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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.