Home / 97,298.20-145,662.96-87,959.71

Finding the Fourth Proportional to 97,298.20, 145,662.96 and 87,959.71

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Solution

The fourth proportional to 97,298.20, 145,662.96 and 87,959.71 is: 131,682.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,298.20 : 145,662.96 = 87,959.71 : x
  2. Step 2: Convert to fraction form
    97,298.20/145,662.96 = 87,959.71/x
  3. Step 3: Cross multiply
    97,298.20x = 145,662.96 × 87,959.71
  4. Step 4: Simplify right side
    97,298.20x = 12,812,471,719.34
  5. Step 5: Solve for x
    x = 12,812,471,719.34/97,298.20
  6. Step 6: Final answer
    x = 131,682.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.