Home / 242,521.36-334,689.82-135,091.46

Finding the Fourth Proportional to 242,521.36, 334,689.82 and 135,091.46

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Solution

The fourth proportional to 242,521.36, 334,689.82 and 135,091.46 is: 186,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,521.36 : 334,689.82 = 135,091.46 : x
  2. Step 2: Convert to fraction form
    242,521.36/334,689.82 = 135,091.46/x
  3. Step 3: Cross multiply
    242,521.36x = 334,689.82 × 135,091.46
  4. Step 4: Simplify right side
    242,521.36x = 45,213,737,689.82
  5. Step 5: Solve for x
    x = 45,213,737,689.82/242,521.36
  6. Step 6: Final answer
    x = 186,431.98

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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.