Home / 181,077.34-249,882.06-100,502.50

Finding the Fourth Proportional to 181,077.34, 249,882.06 and 100,502.50

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Solution

The fourth proportional to 181,077.34, 249,882.06 and 100,502.50 is: 138,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,077.34 : 249,882.06 = 100,502.50 : x
  2. Step 2: Convert to fraction form
    181,077.34/249,882.06 = 100,502.50/x
  3. Step 3: Cross multiply
    181,077.34x = 249,882.06 × 100,502.50
  4. Step 4: Simplify right side
    181,077.34x = 25,113,771,735.15
  5. Step 5: Solve for x
    x = 25,113,771,735.15/181,077.34
  6. Step 6: Final answer
    x = 138,690.86

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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.