Home / 112,760.49-169,018.47-56,464.88

Finding the Fourth Proportional to 112,760.49, 169,018.47 and 56,464.88

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Solution

The fourth proportional to 112,760.49, 169,018.47 and 56,464.88 is: 84,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,760.49 : 169,018.47 = 56,464.88 : x
  2. Step 2: Convert to fraction form
    112,760.49/169,018.47 = 56,464.88/x
  3. Step 3: Cross multiply
    112,760.49x = 169,018.47 × 56,464.88
  4. Step 4: Simplify right side
    112,760.49x = 9,543,607,626.33
  5. Step 5: Solve for x
    x = 9,543,607,626.33/112,760.49
  6. Step 6: Final answer
    x = 84,636.10

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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.