Home / 136,011.88-187,697.42-75,588.18

Finding the Fourth Proportional to 136,011.88, 187,697.42 and 75,588.18

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Solution

The fourth proportional to 136,011.88, 187,697.42 and 75,588.18 is: 104,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,011.88 : 187,697.42 = 75,588.18 : x
  2. Step 2: Convert to fraction form
    136,011.88/187,697.42 = 75,588.18/x
  3. Step 3: Cross multiply
    136,011.88x = 187,697.42 × 75,588.18
  4. Step 4: Simplify right side
    136,011.88x = 14,187,706,368.50
  5. Step 5: Solve for x
    x = 14,187,706,368.50/136,011.88
  6. Step 6: Final answer
    x = 104,312.26

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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.