Home / 242,584.64-334,764.56-135,152.72

Finding the Fourth Proportional to 242,584.64, 334,764.56 and 135,152.72

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Solution

The fourth proportional to 242,584.64, 334,764.56 and 135,152.72 is: 186,509.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,584.64 : 334,764.56 = 135,152.72 : x
  2. Step 2: Convert to fraction form
    242,584.64/334,764.56 = 135,152.72/x
  3. Step 3: Cross multiply
    242,584.64x = 334,764.56 × 135,152.72
  4. Step 4: Simplify right side
    242,584.64x = 45,244,340,843.60
  5. Step 5: Solve for x
    x = 45,244,340,843.60/242,584.64
  6. Step 6: Final answer
    x = 186,509.50

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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.