Home / 147,740.36-222,607.79-122,021.24

Finding the Fourth Proportional to 147,740.36, 222,607.79 and 122,021.24

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Solution

The fourth proportional to 147,740.36, 222,607.79 and 122,021.24 is: 183,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,740.36 : 222,607.79 = 122,021.24 : x
  2. Step 2: Convert to fraction form
    147,740.36/222,607.79 = 122,021.24/x
  3. Step 3: Cross multiply
    147,740.36x = 222,607.79 × 122,021.24
  4. Step 4: Simplify right side
    147,740.36x = 27,162,878,569.46
  5. Step 5: Solve for x
    x = 27,162,878,569.46/147,740.36
  6. Step 6: Final answer
    x = 183,855.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.