Home / 146,979.44-202,835.18-89,621.72

Finding the Fourth Proportional to 146,979.44, 202,835.18 and 89,621.72

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Solution

The fourth proportional to 146,979.44, 202,835.18 and 89,621.72 is: 123,680.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,979.44 : 202,835.18 = 89,621.72 : x
  2. Step 2: Convert to fraction form
    146,979.44/202,835.18 = 89,621.72/x
  3. Step 3: Cross multiply
    146,979.44x = 202,835.18 × 89,621.72
  4. Step 4: Simplify right side
    146,979.44x = 18,178,437,708.11
  5. Step 5: Solve for x
    x = 18,178,437,708.11/146,979.44
  6. Step 6: Final answer
    x = 123,680.14

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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.