Home / 187,010.86-280,329.24-67,035.18

Finding the Fourth Proportional to 187,010.86, 280,329.24 and 67,035.18

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Solution

The fourth proportional to 187,010.86, 280,329.24 and 67,035.18 is: 100,485.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,010.86 : 280,329.24 = 67,035.18 : x
  2. Step 2: Convert to fraction form
    187,010.86/280,329.24 = 67,035.18/x
  3. Step 3: Cross multiply
    187,010.86x = 280,329.24 × 67,035.18
  4. Step 4: Simplify right side
    187,010.86x = 18,791,921,062.66
  5. Step 5: Solve for x
    x = 18,791,921,062.66/187,010.86
  6. Step 6: Final answer
    x = 100,485.72

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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.