Home / 212,275.08-292,937.19-158,069.72

Finding the Fourth Proportional to 212,275.08, 292,937.19 and 158,069.72

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Solution

The fourth proportional to 212,275.08, 292,937.19 and 158,069.72 is: 218,134.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,275.08 : 292,937.19 = 158,069.72 : x
  2. Step 2: Convert to fraction form
    212,275.08/292,937.19 = 158,069.72/x
  3. Step 3: Cross multiply
    212,275.08x = 292,937.19 × 158,069.72
  4. Step 4: Simplify right side
    212,275.08x = 46,304,499,600.89
  5. Step 5: Solve for x
    x = 46,304,499,600.89/212,275.08
  6. Step 6: Final answer
    x = 218,134.41

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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.