Home / 103,311.36-142,604.28-67,062.24

Finding the Fourth Proportional to 103,311.36, 142,604.28 and 67,062.24

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Solution

The fourth proportional to 103,311.36, 142,604.28 and 67,062.24 is: 92,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,311.36 : 142,604.28 = 67,062.24 : x
  2. Step 2: Convert to fraction form
    103,311.36/142,604.28 = 67,062.24/x
  3. Step 3: Cross multiply
    103,311.36x = 142,604.28 × 67,062.24
  4. Step 4: Simplify right side
    103,311.36x = 9,563,362,450.39
  5. Step 5: Solve for x
    x = 9,563,362,450.39/103,311.36
  6. Step 6: Final answer
    x = 92,568.35

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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.