Home / 152,440.72-210,376-92,010.52

Finding the Fourth Proportional to 152,440.72, 210,376 and 92,010.52

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Solution

The fourth proportional to 152,440.72, 210,376 and 92,010.52 is: 126,979.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,440.72 : 210,376 = 92,010.52 : x
  2. Step 2: Convert to fraction form
    152,440.72/210,376 = 92,010.52/x
  3. Step 3: Cross multiply
    152,440.72x = 210,376 × 92,010.52
  4. Step 4: Simplify right side
    152,440.72x = 19,356,805,155.52
  5. Step 5: Solve for x
    x = 19,356,805,155.52/152,440.72
  6. Step 6: Final answer
    x = 126,979.23

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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.