Home / 103,288.62-142,526.58-57,957.24

Finding the Fourth Proportional to 103,288.62, 142,526.58 and 57,957.24

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Solution

The fourth proportional to 103,288.62, 142,526.58 and 57,957.24 is: 79,974.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,288.62 : 142,526.58 = 57,957.24 : x
  2. Step 2: Convert to fraction form
    103,288.62/142,526.58 = 57,957.24/x
  3. Step 3: Cross multiply
    103,288.62x = 142,526.58 × 57,957.24
  4. Step 4: Simplify right side
    103,288.62x = 8,260,447,203.44
  5. Step 5: Solve for x
    x = 8,260,447,203.44/103,288.62
  6. Step 6: Final answer
    x = 79,974.42

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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.