Home / 140,084.28-193,316.04-76,422.06

Finding the Fourth Proportional to 140,084.28, 193,316.04 and 76,422.06

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Solution

The fourth proportional to 140,084.28, 193,316.04 and 76,422.06 is: 105,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,084.28 : 193,316.04 = 76,422.06 : x
  2. Step 2: Convert to fraction form
    140,084.28/193,316.04 = 76,422.06/x
  3. Step 3: Cross multiply
    140,084.28x = 193,316.04 × 76,422.06
  4. Step 4: Simplify right side
    140,084.28x = 14,773,610,007.84
  5. Step 5: Solve for x
    x = 14,773,610,007.84/140,084.28
  6. Step 6: Final answer
    x = 105,462.30

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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.