Home / 104,386.74-144,053.22-56,639.97

Finding the Fourth Proportional to 104,386.74, 144,053.22 and 56,639.97

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Solution

The fourth proportional to 104,386.74, 144,053.22 and 56,639.97 is: 78,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,386.74 : 144,053.22 = 56,639.97 : x
  2. Step 2: Convert to fraction form
    104,386.74/144,053.22 = 56,639.97/x
  3. Step 3: Cross multiply
    104,386.74x = 144,053.22 × 56,639.97
  4. Step 4: Simplify right side
    104,386.74x = 8,159,170,059.20
  5. Step 5: Solve for x
    x = 8,159,170,059.20/104,386.74
  6. Step 6: Final answer
    x = 78,162.90

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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.