Home / 136,423.28-188,263.80-95,647.28

Finding the Fourth Proportional to 136,423.28, 188,263.80 and 95,647.28

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Solution

The fourth proportional to 136,423.28, 188,263.80 and 95,647.28 is: 131,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,423.28 : 188,263.80 = 95,647.28 : x
  2. Step 2: Convert to fraction form
    136,423.28/188,263.80 = 95,647.28/x
  3. Step 3: Cross multiply
    136,423.28x = 188,263.80 × 95,647.28
  4. Step 4: Simplify right side
    136,423.28x = 18,006,920,392.46
  5. Step 5: Solve for x
    x = 18,006,920,392.46/136,423.28
  6. Step 6: Final answer
    x = 131,993.02

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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.