Home / 97,430.30-146,149.70-30,875.33

Finding the Fourth Proportional to 97,430.30, 146,149.70 and 30,875.33

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Solution

The fourth proportional to 97,430.30, 146,149.70 and 30,875.33 is: 46,314.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,430.30 : 146,149.70 = 30,875.33 : x
  2. Step 2: Convert to fraction form
    97,430.30/146,149.70 = 30,875.33/x
  3. Step 3: Cross multiply
    97,430.30x = 146,149.70 × 30,875.33
  4. Step 4: Simplify right side
    97,430.30x = 4,512,420,427.90
  5. Step 5: Solve for x
    x = 4,512,420,427.90/97,430.30
  6. Step 6: Final answer
    x = 46,314.35

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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.