Home / 152,098.04-209,891.49-84,118.79

Finding the Fourth Proportional to 152,098.04, 209,891.49 and 84,118.79

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Solution

The fourth proportional to 152,098.04, 209,891.49 and 84,118.79 is: 116,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,098.04 : 209,891.49 = 84,118.79 : x
  2. Step 2: Convert to fraction form
    152,098.04/209,891.49 = 84,118.79/x
  3. Step 3: Cross multiply
    152,098.04x = 209,891.49 × 84,118.79
  4. Step 4: Simplify right side
    152,098.04x = 17,655,817,120.64
  5. Step 5: Solve for x
    x = 17,655,817,120.64/152,098.04
  6. Step 6: Final answer
    x = 116,081.82

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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.