Home / 135,536.70-187,041.75-75,108.35

Finding the Fourth Proportional to 135,536.70, 187,041.75 and 75,108.35

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Solution

The fourth proportional to 135,536.70, 187,041.75 and 75,108.35 is: 103,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,536.70 : 187,041.75 = 75,108.35 : x
  2. Step 2: Convert to fraction form
    135,536.70/187,041.75 = 75,108.35/x
  3. Step 3: Cross multiply
    135,536.70x = 187,041.75 × 75,108.35
  4. Step 4: Simplify right side
    135,536.70x = 14,048,397,223.61
  5. Step 5: Solve for x
    x = 14,048,397,223.61/135,536.70
  6. Step 6: Final answer
    x = 103,650.13

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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.