Home / 140,579.10-210,868.65-127,019.70

Finding the Fourth Proportional to 140,579.10, 210,868.65 and 127,019.70

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Solution

The fourth proportional to 140,579.10, 210,868.65 and 127,019.70 is: 190,529.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,579.10 : 210,868.65 = 127,019.70 : x
  2. Step 2: Convert to fraction form
    140,579.10/210,868.65 = 127,019.70/x
  3. Step 3: Cross multiply
    140,579.10x = 210,868.65 × 127,019.70
  4. Step 4: Simplify right side
    140,579.10x = 26,784,472,662.41
  5. Step 5: Solve for x
    x = 26,784,472,662.41/140,579.10
  6. Step 6: Final answer
    x = 190,529.55

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1.5x scale

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.