Home / 181,448.03-250,384.10-100,870.65

Finding the Fourth Proportional to 181,448.03, 250,384.10 and 100,870.65

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Solution

The fourth proportional to 181,448.03, 250,384.10 and 100,870.65 is: 139,193.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,448.03 : 250,384.10 = 100,870.65 : x
  2. Step 2: Convert to fraction form
    181,448.03/250,384.10 = 100,870.65/x
  3. Step 3: Cross multiply
    181,448.03x = 250,384.10 × 100,870.65
  4. Step 4: Simplify right side
    181,448.03x = 25,256,406,412.31
  5. Step 5: Solve for x
    x = 25,256,406,412.31/181,448.03
  6. Step 6: Final answer
    x = 139,193.61

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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.