Home / 89,888.70-134,833.05-84,348.30

Finding the Fourth Proportional to 89,888.70, 134,833.05 and 84,348.30

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Solution

The fourth proportional to 89,888.70, 134,833.05 and 84,348.30 is: 126,522.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,888.70 : 134,833.05 = 84,348.30 : x
  2. Step 2: Convert to fraction form
    89,888.70/134,833.05 = 84,348.30/x
  3. Step 3: Cross multiply
    89,888.70x = 134,833.05 × 84,348.30
  4. Step 4: Simplify right side
    89,888.70x = 11,372,938,551.32
  5. Step 5: Solve for x
    x = 11,372,938,551.32/89,888.70
  6. Step 6: Final answer
    x = 126,522.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.