Home / 258,165.13-356,266.71-143,462.45

Finding the Fourth Proportional to 258,165.13, 356,266.71 and 143,462.45

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Solution

The fourth proportional to 258,165.13, 356,266.71 and 143,462.45 is: 197,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,165.13 : 356,266.71 = 143,462.45 : x
  2. Step 2: Convert to fraction form
    258,165.13/356,266.71 = 143,462.45/x
  3. Step 3: Cross multiply
    258,165.13x = 356,266.71 × 143,462.45
  4. Step 4: Simplify right side
    258,165.13x = 51,110,895,070.04
  5. Step 5: Solve for x
    x = 51,110,895,070.04/258,165.13
  6. Step 6: Final answer
    x = 197,977.53

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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.