Home / 98,634.09-147,973.01-28,508.07

Finding the Fourth Proportional to 98,634.09, 147,973.01 and 28,508.07

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Solution

The fourth proportional to 98,634.09, 147,973.01 and 28,508.07 is: 42,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,634.09 : 147,973.01 = 28,508.07 : x
  2. Step 2: Convert to fraction form
    98,634.09/147,973.01 = 28,508.07/x
  3. Step 3: Cross multiply
    98,634.09x = 147,973.01 × 28,508.07
  4. Step 4: Simplify right side
    98,634.09x = 4,218,424,927.19
  5. Step 5: Solve for x
    x = 4,218,424,927.19/98,634.09
  6. Step 6: Final answer
    x = 42,768.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.