Home / 134,351.32-185,404.80-73,920.64

Finding the Fourth Proportional to 134,351.32, 185,404.80 and 73,920.64

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Solution

The fourth proportional to 134,351.32, 185,404.80 and 73,920.64 is: 102,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,351.32 : 185,404.80 = 73,920.64 : x
  2. Step 2: Convert to fraction form
    134,351.32/185,404.80 = 73,920.64/x
  3. Step 3: Cross multiply
    134,351.32x = 185,404.80 × 73,920.64
  4. Step 4: Simplify right side
    134,351.32x = 13,705,241,475.07
  5. Step 5: Solve for x
    x = 13,705,241,475.07/134,351.32
  6. Step 6: Final answer
    x = 102,010.47

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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.