Home / 113,111.78-169,639.65-38,230.27

Finding the Fourth Proportional to 113,111.78, 169,639.65 and 38,230.27

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Solution

The fourth proportional to 113,111.78, 169,639.65 and 38,230.27 is: 57,335.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,111.78 : 169,639.65 = 38,230.27 : x
  2. Step 2: Convert to fraction form
    113,111.78/169,639.65 = 38,230.27/x
  3. Step 3: Cross multiply
    113,111.78x = 169,639.65 × 38,230.27
  4. Step 4: Simplify right side
    113,111.78x = 6,485,369,622.21
  5. Step 5: Solve for x
    x = 6,485,369,622.21/113,111.78
  6. Step 6: Final answer
    x = 57,335.93

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1.5x scale

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.