Home / 234,206.39-323,210.75-143,612.28

Finding the Fourth Proportional to 234,206.39, 323,210.75 and 143,612.28

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Solution

The fourth proportional to 234,206.39, 323,210.75 and 143,612.28 is: 198,188.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,206.39 : 323,210.75 = 143,612.28 : x
  2. Step 2: Convert to fraction form
    234,206.39/323,210.75 = 143,612.28/x
  3. Step 3: Cross multiply
    234,206.39x = 323,210.75 × 143,612.28
  4. Step 4: Simplify right side
    234,206.39x = 46,417,032,009.95
  5. Step 5: Solve for x
    x = 46,417,032,009.95/234,206.39
  6. Step 6: Final answer
    x = 198,188.58

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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.