Home / 112,846.08-155,646.72-74,561.28

Finding the Fourth Proportional to 112,846.08, 155,646.72 and 74,561.28

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Solution

The fourth proportional to 112,846.08, 155,646.72 and 74,561.28 is: 102,841.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,846.08 : 155,646.72 = 74,561.28 : x
  2. Step 2: Convert to fraction form
    112,846.08/155,646.72 = 74,561.28/x
  3. Step 3: Cross multiply
    112,846.08x = 155,646.72 × 74,561.28
  4. Step 4: Simplify right side
    112,846.08x = 11,605,218,671.00
  5. Step 5: Solve for x
    x = 11,605,218,671.00/112,846.08
  6. Step 6: Final answer
    x = 102,841.13

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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.