Home / 119,146.80-164,417.04-71,426.64

Finding the Fourth Proportional to 119,146.80, 164,417.04 and 71,426.64

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Solution

The fourth proportional to 119,146.80, 164,417.04 and 71,426.64 is: 98,565.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,146.80 : 164,417.04 = 71,426.64 : x
  2. Step 2: Convert to fraction form
    119,146.80/164,417.04 = 71,426.64/x
  3. Step 3: Cross multiply
    119,146.80x = 164,417.04 × 71,426.64
  4. Step 4: Simplify right side
    119,146.80x = 11,743,756,725.95
  5. Step 5: Solve for x
    x = 11,743,756,725.95/119,146.80
  6. Step 6: Final answer
    x = 98,565.44

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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.