Home / 148,561.47-205,011.61-84,022.16

Finding the Fourth Proportional to 148,561.47, 205,011.61 and 84,022.16

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Solution

The fourth proportional to 148,561.47, 205,011.61 and 84,022.16 is: 115,948.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,561.47 : 205,011.61 = 84,022.16 : x
  2. Step 2: Convert to fraction form
    148,561.47/205,011.61 = 84,022.16/x
  3. Step 3: Cross multiply
    148,561.47x = 205,011.61 × 84,022.16
  4. Step 4: Simplify right side
    148,561.47x = 17,225,517,062.16
  5. Step 5: Solve for x
    x = 17,225,517,062.16/148,561.47
  6. Step 6: Final answer
    x = 115,948.75

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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.