Home / 172,186.04-258,344.66-155,488.28

Finding the Fourth Proportional to 172,186.04, 258,344.66 and 155,488.28

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Solution

The fourth proportional to 172,186.04, 258,344.66 and 155,488.28 is: 233,291.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,186.04 : 258,344.66 = 155,488.28 : x
  2. Step 2: Convert to fraction form
    172,186.04/258,344.66 = 155,488.28/x
  3. Step 3: Cross multiply
    172,186.04x = 258,344.66 × 155,488.28
  4. Step 4: Simplify right side
    172,186.04x = 40,169,566,830.58
  5. Step 5: Solve for x
    x = 40,169,566,830.58/172,186.04
  6. Step 6: Final answer
    x = 233,291.66

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1.5x scale

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.