Home / 134,887.10-202,330.65-108,643.10

Finding the Fourth Proportional to 134,887.10, 202,330.65 and 108,643.10

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Solution

The fourth proportional to 134,887.10, 202,330.65 and 108,643.10 is: 162,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,887.10 : 202,330.65 = 108,643.10 : x
  2. Step 2: Convert to fraction form
    134,887.10/202,330.65 = 108,643.10/x
  3. Step 3: Cross multiply
    134,887.10x = 202,330.65 × 108,643.10
  4. Step 4: Simplify right side
    134,887.10x = 21,981,829,041.02
  5. Step 5: Solve for x
    x = 21,981,829,041.02/134,887.10
  6. Step 6: Final answer
    x = 162,964.65

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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.