Home / 181,007.07-249,785.96-100,432.86

Finding the Fourth Proportional to 181,007.07, 249,785.96 and 100,432.86

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Solution

The fourth proportional to 181,007.07, 249,785.96 and 100,432.86 is: 138,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,007.07 : 249,785.96 = 100,432.86 : x
  2. Step 2: Convert to fraction form
    181,007.07/249,785.96 = 100,432.86/x
  3. Step 3: Cross multiply
    181,007.07x = 249,785.96 × 100,432.86
  4. Step 4: Simplify right side
    181,007.07x = 25,086,717,848.48
  5. Step 5: Solve for x
    x = 25,086,717,848.48/181,007.07
  6. Step 6: Final answer
    x = 138,595.24

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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.