Home / 106,968.30-147,641.04-71,159.82

Finding the Fourth Proportional to 106,968.30, 147,641.04 and 71,159.82

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Solution

The fourth proportional to 106,968.30, 147,641.04 and 71,159.82 is: 98,217.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,968.30 : 147,641.04 = 71,159.82 : x
  2. Step 2: Convert to fraction form
    106,968.30/147,641.04 = 71,159.82/x
  3. Step 3: Cross multiply
    106,968.30x = 147,641.04 × 71,159.82
  4. Step 4: Simplify right side
    106,968.30x = 10,506,109,831.01
  5. Step 5: Solve for x
    x = 10,506,109,831.01/106,968.30
  6. Step 6: Final answer
    x = 98,217.04

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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.