Home / 210,324.16-290,248-134,872.96

Finding the Fourth Proportional to 210,324.16, 290,248 and 134,872.96

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Solution

The fourth proportional to 210,324.16, 290,248 and 134,872.96 is: 186,125.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,324.16 : 290,248 = 134,872.96 : x
  2. Step 2: Convert to fraction form
    210,324.16/290,248 = 134,872.96/x
  3. Step 3: Cross multiply
    210,324.16x = 290,248 × 134,872.96
  4. Step 4: Simplify right side
    210,324.16x = 39,146,606,894.08
  5. Step 5: Solve for x
    x = 39,146,606,894.08/210,324.16
  6. Step 6: Final answer
    x = 186,125.11

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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.