Home / 90,888.42-136,332.69-43,492.41

Finding the Fourth Proportional to 90,888.42, 136,332.69 and 43,492.41

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Solution

The fourth proportional to 90,888.42, 136,332.69 and 43,492.41 is: 65,238.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,888.42 : 136,332.69 = 43,492.41 : x
  2. Step 2: Convert to fraction form
    90,888.42/136,332.69 = 43,492.41/x
  3. Step 3: Cross multiply
    90,888.42x = 136,332.69 × 43,492.41
  4. Step 4: Simplify right side
    90,888.42x = 5,929,437,249.88
  5. Step 5: Solve for x
    x = 5,929,437,249.88/90,888.42
  6. Step 6: Final answer
    x = 65,238.64

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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.