Home / 239,145.19-330,035.33-131,715.18

Finding the Fourth Proportional to 239,145.19, 330,035.33 and 131,715.18

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Solution

The fourth proportional to 239,145.19, 330,035.33 and 131,715.18 is: 181,775.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,145.19 : 330,035.33 = 131,715.18 : x
  2. Step 2: Convert to fraction form
    239,145.19/330,035.33 = 131,715.18/x
  3. Step 3: Cross multiply
    239,145.19x = 330,035.33 × 131,715.18
  4. Step 4: Simplify right side
    239,145.19x = 43,470,663,226.60
  5. Step 5: Solve for x
    x = 43,470,663,226.60/239,145.19
  6. Step 6: Final answer
    x = 181,775.20

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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.