Home / 97,316.10-146,012.55-38,141.70

Finding the Fourth Proportional to 97,316.10, 146,012.55 and 38,141.70

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Solution

The fourth proportional to 97,316.10, 146,012.55 and 38,141.70 is: 57,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,316.10 : 146,012.55 = 38,141.70 : x
  2. Step 2: Convert to fraction form
    97,316.10/146,012.55 = 38,141.70/x
  3. Step 3: Cross multiply
    97,316.10x = 146,012.55 × 38,141.70
  4. Step 4: Simplify right side
    97,316.10x = 5,569,166,878.34
  5. Step 5: Solve for x
    x = 5,569,166,878.34/97,316.10
  6. Step 6: Final answer
    x = 57,227.60

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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.