Home / 113,238-156,278.16-62,946.72

Finding the Fourth Proportional to 113,238, 156,278.16 and 62,946.72

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Solution

The fourth proportional to 113,238, 156,278.16 and 62,946.72 is: 86,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,238 : 156,278.16 = 62,946.72 : x
  2. Step 2: Convert to fraction form
    113,238/156,278.16 = 62,946.72/x
  3. Step 3: Cross multiply
    113,238x = 156,278.16 × 62,946.72
  4. Step 4: Simplify right side
    113,238x = 9,837,197,579.64
  5. Step 5: Solve for x
    x = 9,837,197,579.64/113,238
  6. Step 6: Final answer
    x = 86,871.88

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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.