Home / 114,787.38-158,419.41-69,490.32

Finding the Fourth Proportional to 114,787.38, 158,419.41 and 69,490.32

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Solution

The fourth proportional to 114,787.38, 158,419.41 and 69,490.32 is: 95,904.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,787.38 : 158,419.41 = 69,490.32 : x
  2. Step 2: Convert to fraction form
    114,787.38/158,419.41 = 69,490.32/x
  3. Step 3: Cross multiply
    114,787.38x = 158,419.41 × 69,490.32
  4. Step 4: Simplify right side
    114,787.38x = 11,008,615,495.11
  5. Step 5: Solve for x
    x = 11,008,615,495.11/114,787.38
  6. Step 6: Final answer
    x = 95,904.41

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1.5x scale

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.