Home / 152,638.90-210,614.52-92,169.02

Finding the Fourth Proportional to 152,638.90, 210,614.52 and 92,169.02

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Solution

The fourth proportional to 152,638.90, 210,614.52 and 92,169.02 is: 127,176.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,638.90 : 210,614.52 = 92,169.02 : x
  2. Step 2: Convert to fraction form
    152,638.90/210,614.52 = 92,169.02/x
  3. Step 3: Cross multiply
    152,638.90x = 210,614.52 × 92,169.02
  4. Step 4: Simplify right side
    152,638.90x = 19,412,133,906.17
  5. Step 5: Solve for x
    x = 19,412,133,906.17/152,638.90
  6. Step 6: Final answer
    x = 127,176.85

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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.