Home / 141,971.60-212,665.80-97,648.40

Finding the Fourth Proportional to 141,971.60, 212,665.80 and 97,648.40

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Solution

The fourth proportional to 141,971.60, 212,665.80 and 97,648.40 is: 146,272.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,971.60 : 212,665.80 = 97,648.40 : x
  2. Step 2: Convert to fraction form
    141,971.60/212,665.80 = 97,648.40/x
  3. Step 3: Cross multiply
    141,971.60x = 212,665.80 × 97,648.40
  4. Step 4: Simplify right side
    141,971.60x = 20,766,475,104.72
  5. Step 5: Solve for x
    x = 20,766,475,104.72/141,971.60
  6. Step 6: Final answer
    x = 146,272.04

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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.