Home / 104,436.74-144,121.71-56,689.06

Finding the Fourth Proportional to 104,436.74, 144,121.71 and 56,689.06

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Solution

The fourth proportional to 104,436.74, 144,121.71 and 56,689.06 is: 78,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,436.74 : 144,121.71 = 56,689.06 : x
  2. Step 2: Convert to fraction form
    104,436.74/144,121.71 = 56,689.06/x
  3. Step 3: Cross multiply
    104,436.74x = 144,121.71 × 56,689.06
  4. Step 4: Simplify right side
    104,436.74x = 8,170,124,265.49
  5. Step 5: Solve for x
    x = 8,170,124,265.49/104,436.74
  6. Step 6: Final answer
    x = 78,230.37

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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.