Home / 212,182.16-292,811.42-116,695.31

Finding the Fourth Proportional to 212,182.16, 292,811.42 and 116,695.31

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Solution

The fourth proportional to 212,182.16, 292,811.42 and 116,695.31 is: 161,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,182.16 : 292,811.42 = 116,695.31 : x
  2. Step 2: Convert to fraction form
    212,182.16/292,811.42 = 116,695.31/x
  3. Step 3: Cross multiply
    212,182.16x = 292,811.42 × 116,695.31
  4. Step 4: Simplify right side
    212,182.16x = 34,169,718,256.12
  5. Step 5: Solve for x
    x = 34,169,718,256.12/212,182.16
  6. Step 6: Final answer
    x = 161,039.55

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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.