Home / 143,934.93-198,566.01-83,470.57

Finding the Fourth Proportional to 143,934.93, 198,566.01 and 83,470.57

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Solution

The fourth proportional to 143,934.93, 198,566.01 and 83,470.57 is: 115,152.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,934.93 : 198,566.01 = 83,470.57 : x
  2. Step 2: Convert to fraction form
    143,934.93/198,566.01 = 83,470.57/x
  3. Step 3: Cross multiply
    143,934.93x = 198,566.01 × 83,470.57
  4. Step 4: Simplify right side
    143,934.93x = 16,574,417,540.91
  5. Step 5: Solve for x
    x = 16,574,417,540.91/143,934.93
  6. Step 6: Final answer
    x = 115,152.16

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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.