Home / 92,401.29-127,489.69-54,140.28

Finding the Fourth Proportional to 92,401.29, 127,489.69 and 54,140.28

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Solution

The fourth proportional to 92,401.29, 127,489.69 and 54,140.28 is: 74,699.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,401.29 : 127,489.69 = 54,140.28 : x
  2. Step 2: Convert to fraction form
    92,401.29/127,489.69 = 54,140.28/x
  3. Step 3: Cross multiply
    92,401.29x = 127,489.69 × 54,140.28
  4. Step 4: Simplify right side
    92,401.29x = 6,902,327,243.01
  5. Step 5: Solve for x
    x = 6,902,327,243.01/92,401.29
  6. Step 6: Final answer
    x = 74,699.47

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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.