Home / 136,088.09-187,790.90-75,655.06

Finding the Fourth Proportional to 136,088.09, 187,790.90 and 75,655.06

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Solution

The fourth proportional to 136,088.09, 187,790.90 and 75,655.06 is: 104,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,088.09 : 187,790.90 = 75,655.06 : x
  2. Step 2: Convert to fraction form
    136,088.09/187,790.90 = 75,655.06/x
  3. Step 3: Cross multiply
    136,088.09x = 187,790.90 × 75,655.06
  4. Step 4: Simplify right side
    136,088.09x = 14,207,330,489.72
  5. Step 5: Solve for x
    x = 14,207,330,489.72/136,088.09
  6. Step 6: Final answer
    x = 104,398.04

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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.