Home / 112,921.17-169,234.11-46,283.28

Finding the Fourth Proportional to 112,921.17, 169,234.11 and 46,283.28

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Solution

The fourth proportional to 112,921.17, 169,234.11 and 46,283.28 is: 69,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,921.17 : 169,234.11 = 46,283.28 : x
  2. Step 2: Convert to fraction form
    112,921.17/169,234.11 = 46,283.28/x
  3. Step 3: Cross multiply
    112,921.17x = 169,234.11 × 46,283.28
  4. Step 4: Simplify right side
    112,921.17x = 7,832,709,698.68
  5. Step 5: Solve for x
    x = 7,832,709,698.68/112,921.17
  6. Step 6: Final answer
    x = 69,364.40

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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.