Home / 103,834.13-143,291.13-56,087.51

Finding the Fourth Proportional to 103,834.13, 143,291.13 and 56,087.51

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Solution

The fourth proportional to 103,834.13, 143,291.13 and 56,087.51 is: 77,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,834.13 : 143,291.13 = 56,087.51 : x
  2. Step 2: Convert to fraction form
    103,834.13/143,291.13 = 56,087.51/x
  3. Step 3: Cross multiply
    103,834.13x = 143,291.13 × 56,087.51
  4. Step 4: Simplify right side
    103,834.13x = 8,036,842,686.79
  5. Step 5: Solve for x
    x = 8,036,842,686.79/103,834.13
  6. Step 6: Final answer
    x = 77,400.78

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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.