Home / 134,904.64-202,378.86-50,671.36

Finding the Fourth Proportional to 134,904.64, 202,378.86 and 50,671.36

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Solution

The fourth proportional to 134,904.64, 202,378.86 and 50,671.36 is: 76,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,904.64 : 202,378.86 = 50,671.36 : x
  2. Step 2: Convert to fraction form
    134,904.64/202,378.86 = 50,671.36/x
  3. Step 3: Cross multiply
    134,904.64x = 202,378.86 × 50,671.36
  4. Step 4: Simplify right side
    134,904.64x = 10,254,812,071.45
  5. Step 5: Solve for x
    x = 10,254,812,071.45/134,904.64
  6. Step 6: Final answer
    x = 76,015.27

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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.