Home / 105,617.32-158,032.26-104,436.28

Finding the Fourth Proportional to 105,617.32, 158,032.26 and 104,436.28

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Solution

The fourth proportional to 105,617.32, 158,032.26 and 104,436.28 is: 156,265.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,617.32 : 158,032.26 = 104,436.28 : x
  2. Step 2: Convert to fraction form
    105,617.32/158,032.26 = 104,436.28/x
  3. Step 3: Cross multiply
    105,617.32x = 158,032.26 × 104,436.28
  4. Step 4: Simplify right side
    105,617.32x = 16,504,301,354.39
  5. Step 5: Solve for x
    x = 16,504,301,354.39/105,617.32
  6. Step 6: Final answer
    x = 156,265.10

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1.5x scale

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.