Home / 119,113.57-164,377.05-65,402.07

Finding the Fourth Proportional to 119,113.57, 164,377.05 and 65,402.07

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Solution

The fourth proportional to 119,113.57, 164,377.05 and 65,402.07 is: 90,255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,113.57 : 164,377.05 = 65,402.07 : x
  2. Step 2: Convert to fraction form
    119,113.57/164,377.05 = 65,402.07/x
  3. Step 3: Cross multiply
    119,113.57x = 164,377.05 × 65,402.07
  4. Step 4: Simplify right side
    119,113.57x = 10,750,598,181.60
  5. Step 5: Solve for x
    x = 10,750,598,181.60/119,113.57
  6. Step 6: Final answer
    x = 90,255.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.