Home / 86,890.68-130,343.64-24,561.18

Finding the Fourth Proportional to 86,890.68, 130,343.64 and 24,561.18

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Solution

The fourth proportional to 86,890.68, 130,343.64 and 24,561.18 is: 36,843.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,890.68 : 130,343.64 = 24,561.18 : x
  2. Step 2: Convert to fraction form
    86,890.68/130,343.64 = 24,561.18/x
  3. Step 3: Cross multiply
    86,890.68x = 130,343.64 × 24,561.18
  4. Step 4: Simplify right side
    86,890.68x = 3,201,393,603.90
  5. Step 5: Solve for x
    x = 3,201,393,603.90/86,890.68
  6. Step 6: Final answer
    x = 36,843.92

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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.