Home / 209,472.24-289,073.70-118,825.14

Finding the Fourth Proportional to 209,472.24, 289,073.70 and 118,825.14

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Solution

The fourth proportional to 209,472.24, 289,073.70 and 118,825.14 is: 163,979.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,472.24 : 289,073.70 = 118,825.14 : x
  2. Step 2: Convert to fraction form
    209,472.24/289,073.70 = 118,825.14/x
  3. Step 3: Cross multiply
    209,472.24x = 289,073.70 × 118,825.14
  4. Step 4: Simplify right side
    209,472.24x = 34,349,222,872.82
  5. Step 5: Solve for x
    x = 34,349,222,872.82/209,472.24
  6. Step 6: Final answer
    x = 163,979.83

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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.