Home / 99,482.28-149,129.63-49,515.14

Finding the Fourth Proportional to 99,482.28, 149,129.63 and 49,515.14

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Solution

The fourth proportional to 99,482.28, 149,129.63 and 49,515.14 is: 74,226.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,482.28 : 149,129.63 = 49,515.14 : x
  2. Step 2: Convert to fraction form
    99,482.28/149,129.63 = 49,515.14/x
  3. Step 3: Cross multiply
    99,482.28x = 149,129.63 × 49,515.14
  4. Step 4: Simplify right side
    99,482.28x = 7,384,173,514.37
  5. Step 5: Solve for x
    x = 7,384,173,514.37/99,482.28
  6. Step 6: Final answer
    x = 74,226.02

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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.