Home / 150,418.35-207,577.89-86,756.40

Finding the Fourth Proportional to 150,418.35, 207,577.89 and 86,756.40

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Solution

The fourth proportional to 150,418.35, 207,577.89 and 86,756.40 is: 119,724.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,418.35 : 207,577.89 = 86,756.40 : x
  2. Step 2: Convert to fraction form
    150,418.35/207,577.89 = 86,756.40/x
  3. Step 3: Cross multiply
    150,418.35x = 207,577.89 × 86,756.40
  4. Step 4: Simplify right side
    150,418.35x = 18,008,710,456.00
  5. Step 5: Solve for x
    x = 18,008,710,456.00/150,418.35
  6. Step 6: Final answer
    x = 119,724.16

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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.