Home / 121,292.96-181,857.08-42,364

Finding the Fourth Proportional to 121,292.96, 181,857.08 and 42,364

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Solution

The fourth proportional to 121,292.96, 181,857.08 and 42,364 is: 63,517.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,292.96 : 181,857.08 = 42,364 : x
  2. Step 2: Convert to fraction form
    121,292.96/181,857.08 = 42,364/x
  3. Step 3: Cross multiply
    121,292.96x = 181,857.08 × 42,364
  4. Step 4: Simplify right side
    121,292.96x = 7,704,193,337.12
  5. Step 5: Solve for x
    x = 7,704,193,337.12/121,292.96
  6. Step 6: Final answer
    x = 63,517.23

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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.