Home / 104,425.13-144,106.82-56,678.46

Finding the Fourth Proportional to 104,425.13, 144,106.82 and 56,678.46

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Solution

The fourth proportional to 104,425.13, 144,106.82 and 56,678.46 is: 78,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,425.13 : 144,106.82 = 56,678.46 : x
  2. Step 2: Convert to fraction form
    104,425.13/144,106.82 = 56,678.46/x
  3. Step 3: Cross multiply
    104,425.13x = 144,106.82 × 56,678.46
  4. Step 4: Simplify right side
    104,425.13x = 8,167,752,633.10
  5. Step 5: Solve for x
    x = 8,167,752,633.10/104,425.13
  6. Step 6: Final answer
    x = 78,216.35

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1.5x scale

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.