Home / 92,140.48-127,164.18-51,864.04

Finding the Fourth Proportional to 92,140.48, 127,164.18 and 51,864.04

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Solution

The fourth proportional to 92,140.48, 127,164.18 and 51,864.04 is: 71,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,140.48 : 127,164.18 = 51,864.04 : x
  2. Step 2: Convert to fraction form
    92,140.48/127,164.18 = 51,864.04/x
  3. Step 3: Cross multiply
    92,140.48x = 127,164.18 × 51,864.04
  4. Step 4: Simplify right side
    92,140.48x = 6,595,248,118.09
  5. Step 5: Solve for x
    x = 6,595,248,118.09/92,140.48
  6. Step 6: Final answer
    x = 71,578.18

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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.