Home / 103,310.54-142,557.58-57,993.50

Finding the Fourth Proportional to 103,310.54, 142,557.58 and 57,993.50

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Solution

The fourth proportional to 103,310.54, 142,557.58 and 57,993.50 is: 80,024.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,310.54 : 142,557.58 = 57,993.50 : x
  2. Step 2: Convert to fraction form
    103,310.54/142,557.58 = 57,993.50/x
  3. Step 3: Cross multiply
    103,310.54x = 142,557.58 × 57,993.50
  4. Step 4: Simplify right side
    103,310.54x = 8,267,413,281.51
  5. Step 5: Solve for x
    x = 8,267,413,281.51/103,310.54
  6. Step 6: Final answer
    x = 80,024.88

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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.