Home / 269,878.08-372,389.76-156,681.12

Finding the Fourth Proportional to 269,878.08, 372,389.76 and 156,681.12

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Solution

The fourth proportional to 269,878.08, 372,389.76 and 156,681.12 is: 216,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,878.08 : 372,389.76 = 156,681.12 : x
  2. Step 2: Convert to fraction form
    269,878.08/372,389.76 = 156,681.12/x
  3. Step 3: Cross multiply
    269,878.08x = 372,389.76 × 156,681.12
  4. Step 4: Simplify right side
    269,878.08x = 58,346,444,673.33
  5. Step 5: Solve for x
    x = 58,346,444,673.33/269,878.08
  6. Step 6: Final answer
    x = 216,195.57

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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.