Home / 181,178.48-250,017.95-100,611.15

Finding the Fourth Proportional to 181,178.48, 250,017.95 and 100,611.15

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Solution

The fourth proportional to 181,178.48, 250,017.95 and 100,611.15 is: 138,838.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,178.48 : 250,017.95 = 100,611.15 : x
  2. Step 2: Convert to fraction form
    181,178.48/250,017.95 = 100,611.15/x
  3. Step 3: Cross multiply
    181,178.48x = 250,017.95 × 100,611.15
  4. Step 4: Simplify right side
    181,178.48x = 25,154,592,967.09
  5. Step 5: Solve for x
    x = 25,154,592,967.09/181,178.48
  6. Step 6: Final answer
    x = 138,838.75

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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.