Home / 231,119.40-346,712.70-97,999.40

Finding the Fourth Proportional to 231,119.40, 346,712.70 and 97,999.40

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Solution

The fourth proportional to 231,119.40, 346,712.70 and 97,999.40 is: 147,013.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,119.40 : 346,712.70 = 97,999.40 : x
  2. Step 2: Convert to fraction form
    231,119.40/346,712.70 = 97,999.40/x
  3. Step 3: Cross multiply
    231,119.40x = 346,712.70 × 97,999.40
  4. Step 4: Simplify right side
    231,119.40x = 33,977,636,572.38
  5. Step 5: Solve for x
    x = 33,977,636,572.38/231,119.40
  6. Step 6: Final answer
    x = 147,013.35

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1.5x scale

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.