Home / 181,134.08-249,952.60-100,555.32

Finding the Fourth Proportional to 181,134.08, 249,952.60 and 100,555.32

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Solution

The fourth proportional to 181,134.08, 249,952.60 and 100,555.32 is: 138,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,134.08 : 249,952.60 = 100,555.32 : x
  2. Step 2: Convert to fraction form
    181,134.08/249,952.60 = 100,555.32/x
  3. Step 3: Cross multiply
    181,134.08x = 249,952.60 × 100,555.32
  4. Step 4: Simplify right side
    181,134.08x = 25,134,063,677.83
  5. Step 5: Solve for x
    x = 25,134,063,677.83/181,134.08
  6. Step 6: Final answer
    x = 138,759.44

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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.