Home / 135,802.40-187,401.75-75,375.59

Finding the Fourth Proportional to 135,802.40, 187,401.75 and 75,375.59

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Solution

The fourth proportional to 135,802.40, 187,401.75 and 75,375.59 is: 104,015.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,802.40 : 187,401.75 = 75,375.59 : x
  2. Step 2: Convert to fraction form
    135,802.40/187,401.75 = 75,375.59/x
  3. Step 3: Cross multiply
    135,802.40x = 187,401.75 × 75,375.59
  4. Step 4: Simplify right side
    135,802.40x = 14,125,516,536.27
  5. Step 5: Solve for x
    x = 14,125,516,536.27/135,802.40
  6. Step 6: Final answer
    x = 104,015.22

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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.