Home / 135,736.68-187,307.73-75,307.17

Finding the Fourth Proportional to 135,736.68, 187,307.73 and 75,307.17

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Solution

The fourth proportional to 135,736.68, 187,307.73 and 75,307.17 is: 103,918.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,736.68 : 187,307.73 = 75,307.17 : x
  2. Step 2: Convert to fraction form
    135,736.68/187,307.73 = 75,307.17/x
  3. Step 3: Cross multiply
    135,736.68x = 187,307.73 × 75,307.17
  4. Step 4: Simplify right side
    135,736.68x = 14,105,615,065.42
  5. Step 5: Solve for x
    x = 14,105,615,065.42/135,736.68
  6. Step 6: Final answer
    x = 103,918.96

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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.