Home / 97,982.40-146,901.60-31,384.32

Finding the Fourth Proportional to 97,982.40, 146,901.60 and 31,384.32

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Solution

The fourth proportional to 97,982.40, 146,901.60 and 31,384.32 is: 47,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,982.40 : 146,901.60 = 31,384.32 : x
  2. Step 2: Convert to fraction form
    97,982.40/146,901.60 = 31,384.32/x
  3. Step 3: Cross multiply
    97,982.40x = 146,901.60 × 31,384.32
  4. Step 4: Simplify right side
    97,982.40x = 4,610,406,822.91
  5. Step 5: Solve for x
    x = 4,610,406,822.91/97,982.40
  6. Step 6: Final answer
    x = 47,053.42

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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.