Home / 134,445.64-185,532.06-74,013.97

Finding the Fourth Proportional to 134,445.64, 185,532.06 and 74,013.97

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Solution

The fourth proportional to 134,445.64, 185,532.06 and 74,013.97 is: 102,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,445.64 : 185,532.06 = 74,013.97 : x
  2. Step 2: Convert to fraction form
    134,445.64/185,532.06 = 74,013.97/x
  3. Step 3: Cross multiply
    134,445.64x = 185,532.06 × 74,013.97
  4. Step 4: Simplify right side
    134,445.64x = 13,731,963,859.05
  5. Step 5: Solve for x
    x = 13,731,963,859.05/134,445.64
  6. Step 6: Final answer
    x = 102,137.67

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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.