Home / 150,665.40-225,998.10-38,345.40

Finding the Fourth Proportional to 150,665.40, 225,998.10 and 38,345.40

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Solution

The fourth proportional to 150,665.40, 225,998.10 and 38,345.40 is: 57,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,665.40 : 225,998.10 = 38,345.40 : x
  2. Step 2: Convert to fraction form
    150,665.40/225,998.10 = 38,345.40/x
  3. Step 3: Cross multiply
    150,665.40x = 225,998.10 × 38,345.40
  4. Step 4: Simplify right side
    150,665.40x = 8,665,987,543.74
  5. Step 5: Solve for x
    x = 8,665,987,543.74/150,665.40
  6. Step 6: Final answer
    x = 57,518.10

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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.