Home / 103,838.85-143,297.53-56,092.19

Finding the Fourth Proportional to 103,838.85, 143,297.53 and 56,092.19

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Solution

The fourth proportional to 103,838.85, 143,297.53 and 56,092.19 is: 77,407.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,838.85 : 143,297.53 = 56,092.19 : x
  2. Step 2: Convert to fraction form
    103,838.85/143,297.53 = 56,092.19/x
  3. Step 3: Cross multiply
    103,838.85x = 143,297.53 × 56,092.19
  4. Step 4: Simplify right side
    103,838.85x = 8,037,871,422.57
  5. Step 5: Solve for x
    x = 8,037,871,422.57/103,838.85
  6. Step 6: Final answer
    x = 77,407.17

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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.