Home / 135,600.04-187,127.54-75,984.04

Finding the Fourth Proportional to 135,600.04, 187,127.54 and 75,984.04

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Solution

The fourth proportional to 135,600.04, 187,127.54 and 75,984.04 is: 104,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,600.04 : 187,127.54 = 75,984.04 : x
  2. Step 2: Convert to fraction form
    135,600.04/187,127.54 = 75,984.04/x
  3. Step 3: Cross multiply
    135,600.04x = 187,127.54 × 75,984.04
  4. Step 4: Simplify right side
    135,600.04x = 14,218,706,484.46
  5. Step 5: Solve for x
    x = 14,218,706,484.46/135,600.04
  6. Step 6: Final answer
    x = 104,857.69

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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.