Home / 103,551.10-142,818.33-67,212.82

Finding the Fourth Proportional to 103,551.10, 142,818.33 and 67,212.82

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Solution

The fourth proportional to 103,551.10, 142,818.33 and 67,212.82 is: 92,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,551.10 : 142,818.33 = 67,212.82 : x
  2. Step 2: Convert to fraction form
    103,551.10/142,818.33 = 67,212.82/x
  3. Step 3: Cross multiply
    103,551.10x = 142,818.33 × 67,212.82
  4. Step 4: Simplify right side
    103,551.10x = 9,599,222,706.99
  5. Step 5: Solve for x
    x = 9,599,222,706.99/103,551.10
  6. Step 6: Final answer
    x = 92,700.35

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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.