Home / 97,641.20-146,409.70-46,295.90

Finding the Fourth Proportional to 97,641.20, 146,409.70 and 46,295.90

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Solution

The fourth proportional to 97,641.20, 146,409.70 and 46,295.90 is: 69,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,641.20 : 146,409.70 = 46,295.90 : x
  2. Step 2: Convert to fraction form
    97,641.20/146,409.70 = 46,295.90/x
  3. Step 3: Cross multiply
    97,641.20x = 146,409.70 × 46,295.90
  4. Step 4: Simplify right side
    97,641.20x = 6,778,169,572.04
  5. Step 5: Solve for x
    x = 6,778,169,572.04/97,641.20
  6. Step 6: Final answer
    x = 69,419.16

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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.