Home / 134,904.64-186,168.72-74,475.32

Finding the Fourth Proportional to 134,904.64, 186,168.72 and 74,475.32

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Solution

The fourth proportional to 134,904.64, 186,168.72 and 74,475.32 is: 102,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,904.64 : 186,168.72 = 74,475.32 : x
  2. Step 2: Convert to fraction form
    134,904.64/186,168.72 = 74,475.32/x
  3. Step 3: Cross multiply
    134,904.64x = 186,168.72 × 74,475.32
  4. Step 4: Simplify right side
    134,904.64x = 13,864,975,391.57
  5. Step 5: Solve for x
    x = 13,864,975,391.57/134,904.64
  6. Step 6: Final answer
    x = 102,776.12

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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.