Home / 209,140.74-313,572.42-76,005.18

Finding the Fourth Proportional to 209,140.74, 313,572.42 and 76,005.18

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Solution

The fourth proportional to 209,140.74, 313,572.42 and 76,005.18 is: 113,957.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,140.74 : 313,572.42 = 76,005.18 : x
  2. Step 2: Convert to fraction form
    209,140.74/313,572.42 = 76,005.18/x
  3. Step 3: Cross multiply
    209,140.74x = 313,572.42 × 76,005.18
  4. Step 4: Simplify right side
    209,140.74x = 23,833,128,225.14
  5. Step 5: Solve for x
    x = 23,833,128,225.14/209,140.74
  6. Step 6: Final answer
    x = 113,957.37

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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.