Home / 91,159.39-136,800.24-31,995.23

Finding the Fourth Proportional to 91,159.39, 136,800.24 and 31,995.23

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Solution

The fourth proportional to 91,159.39, 136,800.24 and 31,995.23 is: 48,014.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,159.39 : 136,800.24 = 31,995.23 : x
  2. Step 2: Convert to fraction form
    91,159.39/136,800.24 = 31,995.23/x
  3. Step 3: Cross multiply
    91,159.39x = 136,800.24 × 31,995.23
  4. Step 4: Simplify right side
    91,159.39x = 4,376,954,982.88
  5. Step 5: Solve for x
    x = 4,376,954,982.88/91,159.39
  6. Step 6: Final answer
    x = 48,014.31

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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.