Home / 141,734.40-212,601.60-89,203.20

Finding the Fourth Proportional to 141,734.40, 212,601.60 and 89,203.20

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Solution

The fourth proportional to 141,734.40, 212,601.60 and 89,203.20 is: 133,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,734.40 : 212,601.60 = 89,203.20 : x
  2. Step 2: Convert to fraction form
    141,734.40/212,601.60 = 89,203.20/x
  3. Step 3: Cross multiply
    141,734.40x = 212,601.60 × 89,203.20
  4. Step 4: Simplify right side
    141,734.40x = 18,964,743,045.12
  5. Step 5: Solve for x
    x = 18,964,743,045.12/141,734.40
  6. Step 6: Final answer
    x = 133,804.80

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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.