Home / 251,769.13-347,448.68-137,055.22

Finding the Fourth Proportional to 251,769.13, 347,448.68 and 137,055.22

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Solution

The fourth proportional to 251,769.13, 347,448.68 and 137,055.22 is: 189,140.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,769.13 : 347,448.68 = 137,055.22 : x
  2. Step 2: Convert to fraction form
    251,769.13/347,448.68 = 137,055.22/x
  3. Step 3: Cross multiply
    251,769.13x = 347,448.68 × 137,055.22
  4. Step 4: Simplify right side
    251,769.13x = 47,619,655,276.11
  5. Step 5: Solve for x
    x = 47,619,655,276.11/251,769.13
  6. Step 6: Final answer
    x = 189,140.17

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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.