Home / 136,100.47-187,824.90-75,677.32

Finding the Fourth Proportional to 136,100.47, 187,824.90 and 75,677.32

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Solution

The fourth proportional to 136,100.47, 187,824.90 and 75,677.32 is: 104,438.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,100.47 : 187,824.90 = 75,677.32 : x
  2. Step 2: Convert to fraction form
    136,100.47/187,824.90 = 75,677.32/x
  3. Step 3: Cross multiply
    136,100.47x = 187,824.90 × 75,677.32
  4. Step 4: Simplify right side
    136,100.47x = 14,214,085,061.27
  5. Step 5: Solve for x
    x = 14,214,085,061.27/136,100.47
  6. Step 6: Final answer
    x = 104,438.18

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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.