Home / 150,284.80-207,387.52-86,625.28

Finding the Fourth Proportional to 150,284.80, 207,387.52 and 86,625.28

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Solution

The fourth proportional to 150,284.80, 207,387.52 and 86,625.28 is: 119,539.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,284.80 : 207,387.52 = 86,625.28 : x
  2. Step 2: Convert to fraction form
    150,284.80/207,387.52 = 86,625.28/x
  3. Step 3: Cross multiply
    150,284.80x = 207,387.52 × 86,625.28
  4. Step 4: Simplify right side
    150,284.80x = 17,965,001,988.51
  5. Step 5: Solve for x
    x = 17,965,001,988.51/150,284.80
  6. Step 6: Final answer
    x = 119,539.71

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1.5x scale

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.