Home / 104,686.23-144,462.87-56,939.52

Finding the Fourth Proportional to 104,686.23, 144,462.87 and 56,939.52

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Solution

The fourth proportional to 104,686.23, 144,462.87 and 56,939.52 is: 78,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,686.23 : 144,462.87 = 56,939.52 : x
  2. Step 2: Convert to fraction form
    104,686.23/144,462.87 = 56,939.52/x
  3. Step 3: Cross multiply
    104,686.23x = 144,462.87 × 56,939.52
  4. Step 4: Simplify right side
    104,686.23x = 8,225,646,475.62
  5. Step 5: Solve for x
    x = 8,225,646,475.62/104,686.23
  6. Step 6: Final answer
    x = 78,574.29

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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.