Home / 121,181.46-181,690.17-42,252.63

Finding the Fourth Proportional to 121,181.46, 181,690.17 and 42,252.63

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Solution

The fourth proportional to 121,181.46, 181,690.17 and 42,252.63 is: 63,350.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,181.46 : 181,690.17 = 42,252.63 : x
  2. Step 2: Convert to fraction form
    121,181.46/181,690.17 = 42,252.63/x
  3. Step 3: Cross multiply
    121,181.46x = 181,690.17 × 42,252.63
  4. Step 4: Simplify right side
    121,181.46x = 7,676,887,527.65
  5. Step 5: Solve for x
    x = 7,676,887,527.65/121,181.46
  6. Step 6: Final answer
    x = 63,350.35

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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.