Home / 98,880.32-136,458.24-54,168.32

Finding the Fourth Proportional to 98,880.32, 136,458.24 and 54,168.32

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Solution

The fourth proportional to 98,880.32, 136,458.24 and 54,168.32 is: 74,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,880.32 : 136,458.24 = 54,168.32 : x
  2. Step 2: Convert to fraction form
    98,880.32/136,458.24 = 54,168.32/x
  3. Step 3: Cross multiply
    98,880.32x = 136,458.24 × 54,168.32
  4. Step 4: Simplify right side
    98,880.32x = 7,391,713,610.96
  5. Step 5: Solve for x
    x = 7,391,713,610.96/98,880.32
  6. Step 6: Final answer
    x = 74,754.14

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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.