Home / 90,220.82-124,496.30-53,915.06

Finding the Fourth Proportional to 90,220.82, 124,496.30 and 53,915.06

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Solution

The fourth proportional to 90,220.82, 124,496.30 and 53,915.06 is: 74,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,220.82 : 124,496.30 = 53,915.06 : x
  2. Step 2: Convert to fraction form
    90,220.82/124,496.30 = 53,915.06/x
  3. Step 3: Cross multiply
    90,220.82x = 124,496.30 × 53,915.06
  4. Step 4: Simplify right side
    90,220.82x = 6,712,225,214.70
  5. Step 5: Solve for x
    x = 6,712,225,214.70/90,220.82
  6. Step 6: Final answer
    x = 74,397.74

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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.