Home / 103,562.19-142,827.30-71,348.22

Finding the Fourth Proportional to 103,562.19, 142,827.30 and 71,348.22

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Solution

The fourth proportional to 103,562.19, 142,827.30 and 71,348.22 is: 98,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,562.19 : 142,827.30 = 71,348.22 : x
  2. Step 2: Convert to fraction form
    103,562.19/142,827.30 = 71,348.22/x
  3. Step 3: Cross multiply
    103,562.19x = 142,827.30 × 71,348.22
  4. Step 4: Simplify right side
    103,562.19x = 10,190,473,622.41
  5. Step 5: Solve for x
    x = 10,190,473,622.41/103,562.19
  6. Step 6: Final answer
    x = 98,399.56

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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.