Home / 181,007.10-249,785.96-100,432.89

Finding the Fourth Proportional to 181,007.10, 249,785.96 and 100,432.89

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Solution

The fourth proportional to 181,007.10, 249,785.96 and 100,432.89 is: 138,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,007.10 : 249,785.96 = 100,432.89 : x
  2. Step 2: Convert to fraction form
    181,007.10/249,785.96 = 100,432.89/x
  3. Step 3: Cross multiply
    181,007.10x = 249,785.96 × 100,432.89
  4. Step 4: Simplify right side
    181,007.10x = 25,086,725,342.06
  5. Step 5: Solve for x
    x = 25,086,725,342.06/181,007.10
  6. Step 6: Final answer
    x = 138,595.26

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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.