Home / 103,500.28-142,827.06-63,199.48

Finding the Fourth Proportional to 103,500.28, 142,827.06 and 63,199.48

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Solution

The fourth proportional to 103,500.28, 142,827.06 and 63,199.48 is: 87,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,500.28 : 142,827.06 = 63,199.48 : x
  2. Step 2: Convert to fraction form
    103,500.28/142,827.06 = 63,199.48/x
  3. Step 3: Cross multiply
    103,500.28x = 142,827.06 × 63,199.48
  4. Step 4: Simplify right side
    103,500.28x = 9,026,595,921.93
  5. Step 5: Solve for x
    x = 9,026,595,921.93/103,500.28
  6. Step 6: Final answer
    x = 87,213.25

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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.