Home / 142,574.94-213,885.54-53,836.20

Finding the Fourth Proportional to 142,574.94, 213,885.54 and 53,836.20

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Solution

The fourth proportional to 142,574.94, 213,885.54 and 53,836.20 is: 80,763.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,574.94 : 213,885.54 = 53,836.20 : x
  2. Step 2: Convert to fraction form
    142,574.94/213,885.54 = 53,836.20/x
  3. Step 3: Cross multiply
    142,574.94x = 213,885.54 × 53,836.20
  4. Step 4: Simplify right side
    142,574.94x = 11,514,784,708.55
  5. Step 5: Solve for x
    x = 11,514,784,708.55/142,574.94
  6. Step 6: Final answer
    x = 80,763.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.