Home / 181,307.15-272,078.73-68,988.30

Finding the Fourth Proportional to 181,307.15, 272,078.73 and 68,988.30

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Solution

The fourth proportional to 181,307.15, 272,078.73 and 68,988.30 is: 103,527.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,307.15 : 272,078.73 = 68,988.30 : x
  2. Step 2: Convert to fraction form
    181,307.15/272,078.73 = 68,988.30/x
  3. Step 3: Cross multiply
    181,307.15x = 272,078.73 × 68,988.30
  4. Step 4: Simplify right side
    181,307.15x = 18,770,249,048.86
  5. Step 5: Solve for x
    x = 18,770,249,048.86/181,307.15
  6. Step 6: Final answer
    x = 103,527.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.