Home / 92,118.51-127,126.02-51,833.70

Finding the Fourth Proportional to 92,118.51, 127,126.02 and 51,833.70

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Solution

The fourth proportional to 92,118.51, 127,126.02 and 51,833.70 is: 71,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,118.51 : 127,126.02 = 51,833.70 : x
  2. Step 2: Convert to fraction form
    92,118.51/127,126.02 = 51,833.70/x
  3. Step 3: Cross multiply
    92,118.51x = 127,126.02 × 51,833.70
  4. Step 4: Simplify right side
    92,118.51x = 6,589,411,982.87
  5. Step 5: Solve for x
    x = 6,589,411,982.87/92,118.51
  6. Step 6: Final answer
    x = 71,531.90

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1.5x scale

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.