Home / 141,695.27-195,541.31-78,037.77

Finding the Fourth Proportional to 141,695.27, 195,541.31 and 78,037.77

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Solution

The fourth proportional to 141,695.27, 195,541.31 and 78,037.77 is: 107,693.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,695.27 : 195,541.31 = 78,037.77 : x
  2. Step 2: Convert to fraction form
    141,695.27/195,541.31 = 78,037.77/x
  3. Step 3: Cross multiply
    141,695.27x = 195,541.31 × 78,037.77
  4. Step 4: Simplify right side
    141,695.27x = 15,259,607,970.37
  5. Step 5: Solve for x
    x = 15,259,607,970.37/141,695.27
  6. Step 6: Final answer
    x = 107,693.14

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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.