Home / 99,632.10-149,533.20-40,510.20

Finding the Fourth Proportional to 99,632.10, 149,533.20 and 40,510.20

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Solution

The fourth proportional to 99,632.10, 149,533.20 and 40,510.20 is: 60,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,632.10 : 149,533.20 = 40,510.20 : x
  2. Step 2: Convert to fraction form
    99,632.10/149,533.20 = 40,510.20/x
  3. Step 3: Cross multiply
    99,632.10x = 149,533.20 × 40,510.20
  4. Step 4: Simplify right side
    99,632.10x = 6,057,619,838.64
  5. Step 5: Solve for x
    x = 6,057,619,838.64/99,632.10
  6. Step 6: Final answer
    x = 60,799.88

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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.