Home / 125,247.78-187,831.58-40,985.10

Finding the Fourth Proportional to 125,247.78, 187,831.58 and 40,985.10

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Solution

The fourth proportional to 125,247.78, 187,831.58 and 40,985.10 is: 61,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,247.78 : 187,831.58 = 40,985.10 : x
  2. Step 2: Convert to fraction form
    125,247.78/187,831.58 = 40,985.10/x
  3. Step 3: Cross multiply
    125,247.78x = 187,831.58 × 40,985.10
  4. Step 4: Simplify right side
    125,247.78x = 7,698,296,089.46
  5. Step 5: Solve for x
    x = 7,698,296,089.46/125,247.78
  6. Step 6: Final answer
    x = 61,464.53

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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.