Home / 258,164.13-356,265.34-143,461.45

Finding the Fourth Proportional to 258,164.13, 356,265.34 and 143,461.45

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Solution

The fourth proportional to 258,164.13, 356,265.34 and 143,461.45 is: 197,976.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,164.13 : 356,265.34 = 143,461.45 : x
  2. Step 2: Convert to fraction form
    258,164.13/356,265.34 = 143,461.45/x
  3. Step 3: Cross multiply
    258,164.13x = 356,265.34 × 143,461.45
  4. Step 4: Simplify right side
    258,164.13x = 51,110,339,762.51
  5. Step 5: Solve for x
    x = 51,110,339,762.51/258,164.13
  6. Step 6: Final answer
    x = 197,976.15

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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.