Home / 147,738.30-221,607.45-100,499.10

Finding the Fourth Proportional to 147,738.30, 221,607.45 and 100,499.10

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Solution

The fourth proportional to 147,738.30, 221,607.45 and 100,499.10 is: 150,748.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,738.30 : 221,607.45 = 100,499.10 : x
  2. Step 2: Convert to fraction form
    147,738.30/221,607.45 = 100,499.10/x
  3. Step 3: Cross multiply
    147,738.30x = 221,607.45 × 100,499.10
  4. Step 4: Simplify right side
    147,738.30x = 22,271,349,278.30
  5. Step 5: Solve for x
    x = 22,271,349,278.30/147,738.30
  6. Step 6: Final answer
    x = 150,748.65

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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.