Home / 239,933.76-360,122.07-121,688.16

Finding the Fourth Proportional to 239,933.76, 360,122.07 and 121,688.16

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Solution

The fourth proportional to 239,933.76, 360,122.07 and 121,688.16 is: 182,644.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,933.76 : 360,122.07 = 121,688.16 : x
  2. Step 2: Convert to fraction form
    239,933.76/360,122.07 = 121,688.16/x
  3. Step 3: Cross multiply
    239,933.76x = 360,122.07 × 121,688.16
  4. Step 4: Simplify right side
    239,933.76x = 43,822,592,073.69
  5. Step 5: Solve for x
    x = 43,822,592,073.69/239,933.76
  6. Step 6: Final answer
    x = 182,644.54

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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.