Home / 242,513.88-334,679.31-135,083.76

Finding the Fourth Proportional to 242,513.88, 334,679.31 and 135,083.76

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Solution

The fourth proportional to 242,513.88, 334,679.31 and 135,083.76 is: 186,421.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,513.88 : 334,679.31 = 135,083.76 : x
  2. Step 2: Convert to fraction form
    242,513.88/334,679.31 = 135,083.76/x
  3. Step 3: Cross multiply
    242,513.88x = 334,679.31 × 135,083.76
  4. Step 4: Simplify right side
    242,513.88x = 45,209,739,589.01
  5. Step 5: Solve for x
    x = 45,209,739,589.01/242,513.88
  6. Step 6: Final answer
    x = 186,421.25

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1.5x scale

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.