Home / 215,402.79-297,062.34-134,837.66

Finding the Fourth Proportional to 215,402.79, 297,062.34 and 134,837.66

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Solution

The fourth proportional to 215,402.79, 297,062.34 and 134,837.66 is: 185,954.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,402.79 : 297,062.34 = 134,837.66 : x
  2. Step 2: Convert to fraction form
    215,402.79/297,062.34 = 134,837.66/x
  3. Step 3: Cross multiply
    215,402.79x = 297,062.34 × 134,837.66
  4. Step 4: Simplify right side
    215,402.79x = 40,055,191,036.74
  5. Step 5: Solve for x
    x = 40,055,191,036.74/215,402.79
  6. Step 6: Final answer
    x = 185,954.84

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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.