Home / 181,076.42-249,880.65-100,501.86

Finding the Fourth Proportional to 181,076.42, 249,880.65 and 100,501.86

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Solution

The fourth proportional to 181,076.42, 249,880.65 and 100,501.86 is: 138,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,076.42 : 249,880.65 = 100,501.86 : x
  2. Step 2: Convert to fraction form
    181,076.42/249,880.65 = 100,501.86/x
  3. Step 3: Cross multiply
    181,076.42x = 249,880.65 × 100,501.86
  4. Step 4: Simplify right side
    181,076.42x = 25,113,470,103.01
  5. Step 5: Solve for x
    x = 25,113,470,103.01/181,076.42
  6. Step 6: Final answer
    x = 138,689.90

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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.