Home / 90,127.84-124,381.14-51,893.20

Finding the Fourth Proportional to 90,127.84, 124,381.14 and 51,893.20

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Solution

The fourth proportional to 90,127.84, 124,381.14 and 51,893.20 is: 71,615.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,127.84 : 124,381.14 = 51,893.20 : x
  2. Step 2: Convert to fraction form
    90,127.84/124,381.14 = 51,893.20/x
  3. Step 3: Cross multiply
    90,127.84x = 124,381.14 × 51,893.20
  4. Step 4: Simplify right side
    90,127.84x = 6,454,535,374.25
  5. Step 5: Solve for x
    x = 6,454,535,374.25/90,127.84
  6. Step 6: Final answer
    x = 71,615.33

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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.