Home / 86,906.16-130,373.34-26,920.62

Finding the Fourth Proportional to 86,906.16, 130,373.34 and 26,920.62

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Solution

The fourth proportional to 86,906.16, 130,373.34 and 26,920.62 is: 40,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,906.16 : 130,373.34 = 26,920.62 : x
  2. Step 2: Convert to fraction form
    86,906.16/130,373.34 = 26,920.62/x
  3. Step 3: Cross multiply
    86,906.16x = 130,373.34 × 26,920.62
  4. Step 4: Simplify right side
    86,906.16x = 3,509,731,144.27
  5. Step 5: Solve for x
    x = 3,509,731,144.27/86,906.16
  6. Step 6: Final answer
    x = 40,385.30

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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.