Home / 90,268.47-135,306.65-34,084.66

Finding the Fourth Proportional to 90,268.47, 135,306.65 and 34,084.66

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Solution

The fourth proportional to 90,268.47, 135,306.65 and 34,084.66 is: 51,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,268.47 : 135,306.65 = 34,084.66 : x
  2. Step 2: Convert to fraction form
    90,268.47/135,306.65 = 34,084.66/x
  3. Step 3: Cross multiply
    90,268.47x = 135,306.65 × 34,084.66
  4. Step 4: Simplify right side
    90,268.47x = 4,611,880,484.46
  5. Step 5: Solve for x
    x = 4,611,880,484.46/90,268.47
  6. Step 6: Final answer
    x = 51,090.72

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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.