Home / 97,402.79-146,118.78-34,211.76

Finding the Fourth Proportional to 97,402.79, 146,118.78 and 34,211.76

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Solution

The fourth proportional to 97,402.79, 146,118.78 and 34,211.76 is: 51,322.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,402.79 : 146,118.78 = 34,211.76 : x
  2. Step 2: Convert to fraction form
    97,402.79/146,118.78 = 34,211.76/x
  3. Step 3: Cross multiply
    97,402.79x = 146,118.78 × 34,211.76
  4. Step 4: Simplify right side
    97,402.79x = 4,998,980,632.85
  5. Step 5: Solve for x
    x = 4,998,980,632.85/97,402.79
  6. Step 6: Final answer
    x = 51,322.77

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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.