Home / 103,625.24-143,008.08-61,182.86

Finding the Fourth Proportional to 103,625.24, 143,008.08 and 61,182.86

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Solution

The fourth proportional to 103,625.24, 143,008.08 and 61,182.86 is: 84,435.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.24 : 143,008.08 = 61,182.86 : x
  2. Step 2: Convert to fraction form
    103,625.24/143,008.08 = 61,182.86/x
  3. Step 3: Cross multiply
    103,625.24x = 143,008.08 × 61,182.86
  4. Step 4: Simplify right side
    103,625.24x = 8,749,643,337.51
  5. Step 5: Solve for x
    x = 8,749,643,337.51/103,625.24
  6. Step 6: Final answer
    x = 84,435.45

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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.