Home / 121,364.38-182,009.61-42,463.90

Finding the Fourth Proportional to 121,364.38, 182,009.61 and 42,463.90

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Solution

The fourth proportional to 121,364.38, 182,009.61 and 42,463.90 is: 63,682.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,364.38 : 182,009.61 = 42,463.90 : x
  2. Step 2: Convert to fraction form
    121,364.38/182,009.61 = 42,463.90/x
  3. Step 3: Cross multiply
    121,364.38x = 182,009.61 × 42,463.90
  4. Step 4: Simplify right side
    121,364.38x = 7,728,837,878.08
  5. Step 5: Solve for x
    x = 7,728,837,878.08/121,364.38
  6. Step 6: Final answer
    x = 63,682.92

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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.