Home / 242,619.57-334,810.49-135,187.29

Finding the Fourth Proportional to 242,619.57, 334,810.49 and 135,187.29

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Solution

The fourth proportional to 242,619.57, 334,810.49 and 135,187.29 is: 186,555.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,619.57 : 334,810.49 = 135,187.29 : x
  2. Step 2: Convert to fraction form
    242,619.57/334,810.49 = 135,187.29/x
  3. Step 3: Cross multiply
    242,619.57x = 334,810.49 × 135,187.29
  4. Step 4: Simplify right side
    242,619.57x = 45,262,122,130.74
  5. Step 5: Solve for x
    x = 45,262,122,130.74/242,619.57
  6. Step 6: Final answer
    x = 186,555.94

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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.