Home / 103,312.36-142,605.66-67,063.24

Finding the Fourth Proportional to 103,312.36, 142,605.66 and 67,063.24

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Solution

The fourth proportional to 103,312.36, 142,605.66 and 67,063.24 is: 92,569.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,312.36 : 142,605.66 = 67,063.24 : x
  2. Step 2: Convert to fraction form
    103,312.36/142,605.66 = 67,063.24/x
  3. Step 3: Cross multiply
    103,312.36x = 142,605.66 × 67,063.24
  4. Step 4: Simplify right side
    103,312.36x = 9,563,597,601.94
  5. Step 5: Solve for x
    x = 9,563,597,601.94/103,312.36
  6. Step 6: Final answer
    x = 92,569.73

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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.