Home / 104,424.85-144,106.41-56,678.20

Finding the Fourth Proportional to 104,424.85, 144,106.41 and 56,678.20

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Solution

The fourth proportional to 104,424.85, 144,106.41 and 56,678.20 is: 78,215.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,424.85 : 144,106.41 = 56,678.20 : x
  2. Step 2: Convert to fraction form
    104,424.85/144,106.41 = 56,678.20/x
  3. Step 3: Cross multiply
    104,424.85x = 144,106.41 × 56,678.20
  4. Step 4: Simplify right side
    104,424.85x = 8,167,691,927.26
  5. Step 5: Solve for x
    x = 8,167,691,927.26/104,424.85
  6. Step 6: Final answer
    x = 78,215.98

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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.