Home / 342,171.15-513,246.02-142,486.53

Finding the Fourth Proportional to 342,171.15, 513,246.02 and 142,486.53

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Solution

The fourth proportional to 342,171.15, 513,246.02 and 142,486.53 is: 213,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,171.15 : 513,246.02 = 142,486.53 : x
  2. Step 2: Convert to fraction form
    342,171.15/513,246.02 = 142,486.53/x
  3. Step 3: Cross multiply
    342,171.15x = 513,246.02 × 142,486.53
  4. Step 4: Simplify right side
    342,171.15x = 73,130,643,713.68
  5. Step 5: Solve for x
    x = 73,130,643,713.68/342,171.15
  6. Step 6: Final answer
    x = 213,725.34

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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.