Home / 212,277.03-292,984.17-121,693.83

Finding the Fourth Proportional to 212,277.03, 292,984.17 and 121,693.83

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Solution

The fourth proportional to 212,277.03, 292,984.17 and 121,693.83 is: 167,961.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,277.03 : 292,984.17 = 121,693.83 : x
  2. Step 2: Convert to fraction form
    212,277.03/292,984.17 = 121,693.83/x
  3. Step 3: Cross multiply
    212,277.03x = 292,984.17 × 121,693.83
  4. Step 4: Simplify right side
    212,277.03x = 35,654,365,776.67
  5. Step 5: Solve for x
    x = 35,654,365,776.67/212,277.03
  6. Step 6: Final answer
    x = 167,961.49

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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.