Home / 114,719.60-172,079.40-89,836.40

Finding the Fourth Proportional to 114,719.60, 172,079.40 and 89,836.40

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Solution

The fourth proportional to 114,719.60, 172,079.40 and 89,836.40 is: 134,754.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,719.60 : 172,079.40 = 89,836.40 : x
  2. Step 2: Convert to fraction form
    114,719.60/172,079.40 = 89,836.40/x
  3. Step 3: Cross multiply
    114,719.60x = 172,079.40 × 89,836.40
  4. Step 4: Simplify right side
    114,719.60x = 15,458,993,810.16
  5. Step 5: Solve for x
    x = 15,458,993,810.16/114,719.60
  6. Step 6: Final answer
    x = 134,754.60

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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.