Home / 104,248.32-143,863.20-61,256.80

Finding the Fourth Proportional to 104,248.32, 143,863.20 and 61,256.80

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Solution

The fourth proportional to 104,248.32, 143,863.20 and 61,256.80 is: 84,534.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,248.32 : 143,863.20 = 61,256.80 : x
  2. Step 2: Convert to fraction form
    104,248.32/143,863.20 = 61,256.80/x
  3. Step 3: Cross multiply
    104,248.32x = 143,863.20 × 61,256.80
  4. Step 4: Simplify right side
    104,248.32x = 8,812,599,269.76
  5. Step 5: Solve for x
    x = 8,812,599,269.76/104,248.32
  6. Step 6: Final answer
    x = 84,534.69

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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.