Home / 148,362.09-221,463.92-137,397.93

Finding the Fourth Proportional to 148,362.09, 221,463.92 and 137,397.93

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Solution

The fourth proportional to 148,362.09, 221,463.92 and 137,397.93 is: 205,097.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,362.09 : 221,463.92 = 137,397.93 : x
  2. Step 2: Convert to fraction form
    148,362.09/221,463.92 = 137,397.93/x
  3. Step 3: Cross multiply
    148,362.09x = 221,463.92 × 137,397.93
  4. Step 4: Simplify right side
    148,362.09x = 30,428,683,490.70
  5. Step 5: Solve for x
    x = 30,428,683,490.70/148,362.09
  6. Step 6: Final answer
    x = 205,097.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.