Home / 90,220.32-124,495.61-53,914.56

Finding the Fourth Proportional to 90,220.32, 124,495.61 and 53,914.56

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Solution

The fourth proportional to 90,220.32, 124,495.61 and 53,914.56 is: 74,397.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,220.32 : 124,495.61 = 53,914.56 : x
  2. Step 2: Convert to fraction form
    90,220.32/124,495.61 = 53,914.56/x
  3. Step 3: Cross multiply
    90,220.32x = 124,495.61 × 53,914.56
  4. Step 4: Simplify right side
    90,220.32x = 6,712,126,029.03
  5. Step 5: Solve for x
    x = 6,712,126,029.03/90,220.32
  6. Step 6: Final answer
    x = 74,397.05

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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.