Home / 119,782.84-179,690.66-40,875.88

Finding the Fourth Proportional to 119,782.84, 179,690.66 and 40,875.88

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Solution

The fourth proportional to 119,782.84, 179,690.66 and 40,875.88 is: 61,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,782.84 : 179,690.66 = 40,875.88 : x
  2. Step 2: Convert to fraction form
    119,782.84/179,690.66 = 40,875.88/x
  3. Step 3: Cross multiply
    119,782.84x = 179,690.66 × 40,875.88
  4. Step 4: Simplify right side
    119,782.84x = 7,345,013,855.28
  5. Step 5: Solve for x
    x = 7,345,013,855.28/119,782.84
  6. Step 6: Final answer
    x = 61,319.42

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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.