Home / 181,284.08-250,176.40-100,715.00

Finding the Fourth Proportional to 181,284.08, 250,176.40 and 100,715.00

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Solution

The fourth proportional to 181,284.08, 250,176.40 and 100,715.00 is: 138,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,284.08 : 250,176.40 = 100,715.00 : x
  2. Step 2: Convert to fraction form
    181,284.08/250,176.40 = 100,715.00/x
  3. Step 3: Cross multiply
    181,284.08x = 250,176.40 × 100,715.00
  4. Step 4: Simplify right side
    181,284.08x = 25,196,514,623.33
  5. Step 5: Solve for x
    x = 25,196,514,623.33/181,284.08
  6. Step 6: Final answer
    x = 138,989.12

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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.