Home / 270,078.05-372,675.93-149,212.13

Finding the Fourth Proportional to 270,078.05, 372,675.93 and 149,212.13

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Solution

The fourth proportional to 270,078.05, 372,675.93 and 149,212.13 is: 205,895.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,078.05 : 372,675.93 = 149,212.13 : x
  2. Step 2: Convert to fraction form
    270,078.05/372,675.93 = 149,212.13/x
  3. Step 3: Cross multiply
    270,078.05x = 372,675.93 × 149,212.13
  4. Step 4: Simplify right side
    270,078.05x = 55,607,767,451.65
  5. Step 5: Solve for x
    x = 55,607,767,451.65/270,078.05
  6. Step 6: Final answer
    x = 205,895.18

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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.