Home / 212,013.25-292,561.14-121,348.60

Finding the Fourth Proportional to 212,013.25, 292,561.14 and 121,348.60

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Solution

The fourth proportional to 212,013.25, 292,561.14 and 121,348.60 is: 167,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,013.25 : 292,561.14 = 121,348.60 : x
  2. Step 2: Convert to fraction form
    212,013.25/292,561.14 = 121,348.60/x
  3. Step 3: Cross multiply
    212,013.25x = 292,561.14 × 121,348.60
  4. Step 4: Simplify right side
    212,013.25x = 35,501,884,753.40
  5. Step 5: Solve for x
    x = 35,501,884,753.40/212,013.25
  6. Step 6: Final answer
    x = 167,451.25

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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.