Home / 136,851.28-205,254.61-48,084.05

Finding the Fourth Proportional to 136,851.28, 205,254.61 and 48,084.05

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Solution

The fourth proportional to 136,851.28, 205,254.61 and 48,084.05 is: 72,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,851.28 : 205,254.61 = 48,084.05 : x
  2. Step 2: Convert to fraction form
    136,851.28/205,254.61 = 48,084.05/x
  3. Step 3: Cross multiply
    136,851.28x = 205,254.61 × 48,084.05
  4. Step 4: Simplify right side
    136,851.28x = 9,869,473,322.90
  5. Step 5: Solve for x
    x = 9,869,473,322.90/136,851.28
  6. Step 6: Final answer
    x = 72,118.24

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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.