Home / 104,223.19-143,827.51-56,476.57

Finding the Fourth Proportional to 104,223.19, 143,827.51 and 56,476.57

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Solution

The fourth proportional to 104,223.19, 143,827.51 and 56,476.57 is: 77,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,223.19 : 143,827.51 = 56,476.57 : x
  2. Step 2: Convert to fraction form
    104,223.19/143,827.51 = 56,476.57/x
  3. Step 3: Cross multiply
    104,223.19x = 143,827.51 × 56,476.57
  4. Step 4: Simplify right side
    104,223.19x = 8,122,884,436.44
  5. Step 5: Solve for x
    x = 8,122,884,436.44/104,223.19
  6. Step 6: Final answer
    x = 77,937.40

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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.