Home / 141,092.77-194,708.07-77,430.61

Finding the Fourth Proportional to 141,092.77, 194,708.07 and 77,430.61

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Solution

The fourth proportional to 141,092.77, 194,708.07 and 77,430.61 is: 106,854.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,092.77 : 194,708.07 = 77,430.61 : x
  2. Step 2: Convert to fraction form
    141,092.77/194,708.07 = 77,430.61/x
  3. Step 3: Cross multiply
    141,092.77x = 194,708.07 × 77,430.61
  4. Step 4: Simplify right side
    141,092.77x = 15,076,364,632.02
  5. Step 5: Solve for x
    x = 15,076,364,632.02/141,092.77
  6. Step 6: Final answer
    x = 106,854.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.