Home / 251,775.39-347,457.30-137,061.47

Finding the Fourth Proportional to 251,775.39, 347,457.30 and 137,061.47

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Solution

The fourth proportional to 251,775.39, 347,457.30 and 137,061.47 is: 189,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,775.39 : 347,457.30 = 137,061.47 : x
  2. Step 2: Convert to fraction form
    251,775.39/347,457.30 = 137,061.47/x
  3. Step 3: Cross multiply
    251,775.39x = 347,457.30 × 137,061.47
  4. Step 4: Simplify right side
    251,775.39x = 47,623,008,300.23
  5. Step 5: Solve for x
    x = 47,623,008,300.23/251,775.39
  6. Step 6: Final answer
    x = 189,148.78

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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.