Home / 212,251.19-292,906.60-127,368.32

Finding the Fourth Proportional to 212,251.19, 292,906.60 and 127,368.32

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Solution

The fourth proportional to 212,251.19, 292,906.60 and 127,368.32 is: 175,768.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,251.19 : 292,906.60 = 127,368.32 : x
  2. Step 2: Convert to fraction form
    212,251.19/292,906.60 = 127,368.32/x
  3. Step 3: Cross multiply
    212,251.19x = 292,906.60 × 127,368.32
  4. Step 4: Simplify right side
    212,251.19x = 37,307,019,775.96
  5. Step 5: Solve for x
    x = 37,307,019,775.96/212,251.19
  6. Step 6: Final answer
    x = 175,768.25

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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.