Home / 91,072.74-136,369.77-73,208.58

Finding the Fourth Proportional to 91,072.74, 136,369.77 and 73,208.58

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Solution

The fourth proportional to 91,072.74, 136,369.77 and 73,208.58 is: 109,620.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,072.74 : 136,369.77 = 73,208.58 : x
  2. Step 2: Convert to fraction form
    91,072.74/136,369.77 = 73,208.58/x
  3. Step 3: Cross multiply
    91,072.74x = 136,369.77 × 73,208.58
  4. Step 4: Simplify right side
    91,072.74x = 9,983,437,216.63
  5. Step 5: Solve for x
    x = 9,983,437,216.63/91,072.74
  6. Step 6: Final answer
    x = 109,620.48

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1.5x scale

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.