Home / 135,598.19-187,105.82-75,168.81

Finding the Fourth Proportional to 135,598.19, 187,105.82 and 75,168.81

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Solution

The fourth proportional to 135,598.19, 187,105.82 and 75,168.81 is: 103,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,598.19 : 187,105.82 = 75,168.81 : x
  2. Step 2: Convert to fraction form
    135,598.19/187,105.82 = 75,168.81/x
  3. Step 3: Cross multiply
    135,598.19x = 187,105.82 × 75,168.81
  4. Step 4: Simplify right side
    135,598.19x = 14,064,521,457.63
  5. Step 5: Solve for x
    x = 14,064,521,457.63/135,598.19
  6. Step 6: Final answer
    x = 103,722.05

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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.