Home / 212,043.18-292,502.16-134,376.60

Finding the Fourth Proportional to 212,043.18, 292,502.16 and 134,376.60

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Solution

The fourth proportional to 212,043.18, 292,502.16 and 134,376.60 is: 185,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,043.18 : 292,502.16 = 134,376.60 : x
  2. Step 2: Convert to fraction form
    212,043.18/292,502.16 = 134,376.60/x
  3. Step 3: Cross multiply
    212,043.18x = 292,502.16 × 134,376.60
  4. Step 4: Simplify right side
    212,043.18x = 39,305,445,753.46
  5. Step 5: Solve for x
    x = 39,305,445,753.46/212,043.18
  6. Step 6: Final answer
    x = 185,365.29

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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.