Home / 90,846.47-136,287.93-31,666.25

Finding the Fourth Proportional to 90,846.47, 136,287.93 and 31,666.25

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Solution

The fourth proportional to 90,846.47, 136,287.93 and 31,666.25 is: 47,505.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,846.47 : 136,287.93 = 31,666.25 : x
  2. Step 2: Convert to fraction form
    90,846.47/136,287.93 = 31,666.25/x
  3. Step 3: Cross multiply
    90,846.47x = 136,287.93 × 31,666.25
  4. Step 4: Simplify right side
    90,846.47x = 4,315,727,663.36
  5. Step 5: Solve for x
    x = 4,315,727,663.36/90,846.47
  6. Step 6: Final answer
    x = 47,505.73

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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.