Home / 212,132.76-292,744.28-116,645.60

Finding the Fourth Proportional to 212,132.76, 292,744.28 and 116,645.60

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Solution

The fourth proportional to 212,132.76, 292,744.28 and 116,645.60 is: 160,971.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,132.76 : 292,744.28 = 116,645.60 : x
  2. Step 2: Convert to fraction form
    212,132.76/292,744.28 = 116,645.60/x
  3. Step 3: Cross multiply
    212,132.76x = 292,744.28 × 116,645.60
  4. Step 4: Simplify right side
    212,132.76x = 34,147,332,187.17
  5. Step 5: Solve for x
    x = 34,147,332,187.17/212,132.76
  6. Step 6: Final answer
    x = 160,971.52

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1.5x scale

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.