Home / 188,326.47-282,417.40-80,187.27

Finding the Fourth Proportional to 188,326.47, 282,417.40 and 80,187.27

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Solution

The fourth proportional to 188,326.47, 282,417.40 and 80,187.27 is: 120,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,326.47 : 282,417.40 = 80,187.27 : x
  2. Step 2: Convert to fraction form
    188,326.47/282,417.40 = 80,187.27/x
  3. Step 3: Cross multiply
    188,326.47x = 282,417.40 × 80,187.27
  4. Step 4: Simplify right side
    188,326.47x = 22,646,279,347.67
  5. Step 5: Solve for x
    x = 22,646,279,347.67/188,326.47
  6. Step 6: Final answer
    x = 120,250.11

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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.