Home / 135,736.68-203,605.02-42,242.46

Finding the Fourth Proportional to 135,736.68, 203,605.02 and 42,242.46

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Solution

The fourth proportional to 135,736.68, 203,605.02 and 42,242.46 is: 63,363.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,736.68 : 203,605.02 = 42,242.46 : x
  2. Step 2: Convert to fraction form
    135,736.68/203,605.02 = 42,242.46/x
  3. Step 3: Cross multiply
    135,736.68x = 203,605.02 × 42,242.46
  4. Step 4: Simplify right side
    135,736.68x = 8,600,776,913.15
  5. Step 5: Solve for x
    x = 8,600,776,913.15/135,736.68
  6. Step 6: Final answer
    x = 63,363.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.