Home / 191,743.20-286,958.16-158,058.72

Finding the Fourth Proportional to 191,743.20, 286,958.16 and 158,058.72

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Solution

The fourth proportional to 191,743.20, 286,958.16 and 158,058.72 is: 236,546.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,743.20 : 286,958.16 = 158,058.72 : x
  2. Step 2: Convert to fraction form
    191,743.20/286,958.16 = 158,058.72/x
  3. Step 3: Cross multiply
    191,743.20x = 286,958.16 × 158,058.72
  4. Step 4: Simplify right side
    191,743.20x = 45,356,239,463.16
  5. Step 5: Solve for x
    x = 45,356,239,463.16/191,743.20
  6. Step 6: Final answer
    x = 236,546.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.