Home / 215,479.04-297,344.80-119,967.36

Finding the Fourth Proportional to 215,479.04, 297,344.80 and 119,967.36

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Solution

The fourth proportional to 215,479.04, 297,344.80 and 119,967.36 is: 165,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,479.04 : 297,344.80 = 119,967.36 : x
  2. Step 2: Convert to fraction form
    215,479.04/297,344.80 = 119,967.36/x
  3. Step 3: Cross multiply
    215,479.04x = 297,344.80 × 119,967.36
  4. Step 4: Simplify right side
    215,479.04x = 35,671,670,665.73
  5. Step 5: Solve for x
    x = 35,671,670,665.73/215,479.04
  6. Step 6: Final answer
    x = 165,545.90

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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.