Home / 142,741.02-197,010.16-82,350.66

Finding the Fourth Proportional to 142,741.02, 197,010.16 and 82,350.66

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Solution

The fourth proportional to 142,741.02, 197,010.16 and 82,350.66 is: 113,659.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,741.02 : 197,010.16 = 82,350.66 : x
  2. Step 2: Convert to fraction form
    142,741.02/197,010.16 = 82,350.66/x
  3. Step 3: Cross multiply
    142,741.02x = 197,010.16 × 82,350.66
  4. Step 4: Simplify right side
    142,741.02x = 16,223,916,702.71
  5. Step 5: Solve for x
    x = 16,223,916,702.71/142,741.02
  6. Step 6: Final answer
    x = 113,659.81

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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.