Home / 142,051.23-195,856.52-115,094.43

Finding the Fourth Proportional to 142,051.23, 195,856.52 and 115,094.43

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Solution

The fourth proportional to 142,051.23, 195,856.52 and 115,094.43 is: 158,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,051.23 : 195,856.52 = 115,094.43 : x
  2. Step 2: Convert to fraction form
    142,051.23/195,856.52 = 115,094.43/x
  3. Step 3: Cross multiply
    142,051.23x = 195,856.52 × 115,094.43
  4. Step 4: Simplify right side
    142,051.23x = 22,541,993,955.71
  5. Step 5: Solve for x
    x = 22,541,993,955.71/142,051.23
  6. Step 6: Final answer
    x = 158,689.19

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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.