Home / 145,343.95-200,449.75-94,306.39

Finding the Fourth Proportional to 145,343.95, 200,449.75 and 94,306.39

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Solution

The fourth proportional to 145,343.95, 200,449.75 and 94,306.39 is: 130,061.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,343.95 : 200,449.75 = 94,306.39 : x
  2. Step 2: Convert to fraction form
    145,343.95/200,449.75 = 94,306.39/x
  3. Step 3: Cross multiply
    145,343.95x = 200,449.75 × 94,306.39
  4. Step 4: Simplify right side
    145,343.95x = 18,903,692,298.90
  5. Step 5: Solve for x
    x = 18,903,692,298.90/145,343.95
  6. Step 6: Final answer
    x = 130,061.78

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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.