Home / 158,995.10-219,402.63-87,373.58

Finding the Fourth Proportional to 158,995.10, 219,402.63 and 87,373.58

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Solution

The fourth proportional to 158,995.10, 219,402.63 and 87,373.58 is: 120,569.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,995.10 : 219,402.63 = 87,373.58 : x
  2. Step 2: Convert to fraction form
    158,995.10/219,402.63 = 87,373.58/x
  3. Step 3: Cross multiply
    158,995.10x = 219,402.63 × 87,373.58
  4. Step 4: Simplify right side
    158,995.10x = 19,169,993,244.52
  5. Step 5: Solve for x
    x = 19,169,993,244.52/158,995.10
  6. Step 6: Final answer
    x = 120,569.71

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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.