Home / 251,831.13-377,787.72-74,356.08

Finding the Fourth Proportional to 251,831.13, 377,787.72 and 74,356.08

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Solution

The fourth proportional to 251,831.13, 377,787.72 and 74,356.08 is: 111,546.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,831.13 : 377,787.72 = 74,356.08 : x
  2. Step 2: Convert to fraction form
    251,831.13/377,787.72 = 74,356.08/x
  3. Step 3: Cross multiply
    251,831.13x = 377,787.72 × 74,356.08
  4. Step 4: Simplify right side
    251,831.13x = 28,090,813,931.34
  5. Step 5: Solve for x
    x = 28,090,813,931.34/251,831.13
  6. Step 6: Final answer
    x = 111,546.23

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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.