Home / 180,154.26-248,612.86-100,666.26

Finding the Fourth Proportional to 180,154.26, 248,612.86 and 100,666.26

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Solution

The fourth proportional to 180,154.26, 248,612.86 and 100,666.26 is: 138,919.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,154.26 : 248,612.86 = 100,666.26 : x
  2. Step 2: Convert to fraction form
    180,154.26/248,612.86 = 100,666.26/x
  3. Step 3: Cross multiply
    180,154.26x = 248,612.86 × 100,666.26
  4. Step 4: Simplify right side
    180,154.26x = 25,026,926,804.10
  5. Step 5: Solve for x
    x = 25,026,926,804.10/180,154.26
  6. Step 6: Final answer
    x = 138,919.43

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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.