Home / 148,986.27-205,645.50-98,038.29

Finding the Fourth Proportional to 148,986.27, 205,645.50 and 98,038.29

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Solution

The fourth proportional to 148,986.27, 205,645.50 and 98,038.29 is: 135,322.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,986.27 : 205,645.50 = 98,038.29 : x
  2. Step 2: Convert to fraction form
    148,986.27/205,645.50 = 98,038.29/x
  3. Step 3: Cross multiply
    148,986.27x = 205,645.50 × 98,038.29
  4. Step 4: Simplify right side
    148,986.27x = 20,161,133,166.20
  5. Step 5: Solve for x
    x = 20,161,133,166.20/148,986.27
  6. Step 6: Final answer
    x = 135,322.09

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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.