Home / 181,389.30-250,306.50-100,814.07

Finding the Fourth Proportional to 181,389.30, 250,306.50 and 100,814.07

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Solution

The fourth proportional to 181,389.30, 250,306.50 and 100,814.07 is: 139,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,389.30 : 250,306.50 = 100,814.07 : x
  2. Step 2: Convert to fraction form
    181,389.30/250,306.50 = 100,814.07/x
  3. Step 3: Cross multiply
    181,389.30x = 250,306.50 × 100,814.07
  4. Step 4: Simplify right side
    181,389.30x = 25,234,417,012.46
  5. Step 5: Solve for x
    x = 25,234,417,012.46/181,389.30
  6. Step 6: Final answer
    x = 139,117.45

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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.