Home / 147,400.19-203,389.48-82,857.47

Finding the Fourth Proportional to 147,400.19, 203,389.48 and 82,857.47

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Solution

The fourth proportional to 147,400.19, 203,389.48 and 82,857.47 is: 114,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,400.19 : 203,389.48 = 82,857.47 : x
  2. Step 2: Convert to fraction form
    147,400.19/203,389.48 = 82,857.47/x
  3. Step 3: Cross multiply
    147,400.19x = 203,389.48 × 82,857.47
  4. Step 4: Simplify right side
    147,400.19x = 16,852,336,513.32
  5. Step 5: Solve for x
    x = 16,852,336,513.32/147,400.19
  6. Step 6: Final answer
    x = 114,330.49

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1.5x scale

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.