Home / 148,496.16-222,212.14-128,574.38

Finding the Fourth Proportional to 148,496.16, 222,212.14 and 128,574.38

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Solution

The fourth proportional to 148,496.16, 222,212.14 and 128,574.38 is: 192,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,496.16 : 222,212.14 = 128,574.38 : x
  2. Step 2: Convert to fraction form
    148,496.16/222,212.14 = 128,574.38/x
  3. Step 3: Cross multiply
    148,496.16x = 222,212.14 × 128,574.38
  4. Step 4: Simplify right side
    148,496.16x = 28,570,788,128.97
  5. Step 5: Solve for x
    x = 28,570,788,128.97/148,496.16
  6. Step 6: Final answer
    x = 192,400.85

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1.5x scale

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.