Home / 150,859.29-208,162.68-87,184.79

Finding the Fourth Proportional to 150,859.29, 208,162.68 and 87,184.79

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Solution

The fourth proportional to 150,859.29, 208,162.68 and 87,184.79 is: 120,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,859.29 : 208,162.68 = 87,184.79 : x
  2. Step 2: Convert to fraction form
    150,859.29/208,162.68 = 87,184.79/x
  3. Step 3: Cross multiply
    150,859.29x = 208,162.68 × 87,184.79
  4. Step 4: Simplify right side
    150,859.29x = 18,148,620,062.04
  5. Step 5: Solve for x
    x = 18,148,620,062.04/150,859.29
  6. Step 6: Final answer
    x = 120,301.64

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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.