Home / 89,868.40-134,802.60-43,097.20

Finding the Fourth Proportional to 89,868.40, 134,802.60 and 43,097.20

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Solution

The fourth proportional to 89,868.40, 134,802.60 and 43,097.20 is: 64,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,868.40 : 134,802.60 = 43,097.20 : x
  2. Step 2: Convert to fraction form
    89,868.40/134,802.60 = 43,097.20/x
  3. Step 3: Cross multiply
    89,868.40x = 134,802.60 × 43,097.20
  4. Step 4: Simplify right side
    89,868.40x = 5,809,614,612.72
  5. Step 5: Solve for x
    x = 5,809,614,612.72/89,868.40
  6. Step 6: Final answer
    x = 64,645.80

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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.