Home / 103,308.66-142,576.20-63,049.32

Finding the Fourth Proportional to 103,308.66, 142,576.20 and 63,049.32

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Solution

The fourth proportional to 103,308.66, 142,576.20 and 63,049.32 is: 87,014.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,308.66 : 142,576.20 = 63,049.32 : x
  2. Step 2: Convert to fraction form
    103,308.66/142,576.20 = 63,049.32/x
  3. Step 3: Cross multiply
    103,308.66x = 142,576.20 × 63,049.32
  4. Step 4: Simplify right side
    103,308.66x = 8,989,332,458.18
  5. Step 5: Solve for x
    x = 8,989,332,458.18/103,308.66
  6. Step 6: Final answer
    x = 87,014.32

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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.