Home / 210,107.60-289,836.24-142,035.20

Finding the Fourth Proportional to 210,107.60, 289,836.24 and 142,035.20

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Solution

The fourth proportional to 210,107.60, 289,836.24 and 142,035.20 is: 195,932.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,107.60 : 289,836.24 = 142,035.20 : x
  2. Step 2: Convert to fraction form
    210,107.60/289,836.24 = 142,035.20/x
  3. Step 3: Cross multiply
    210,107.60x = 289,836.24 × 142,035.20
  4. Step 4: Simplify right side
    210,107.60x = 41,166,948,315.65
  5. Step 5: Solve for x
    x = 41,166,948,315.65/210,107.60
  6. Step 6: Final answer
    x = 195,932.70

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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.