Home / 142,149.84-213,150.24-70,996.20

Finding the Fourth Proportional to 142,149.84, 213,150.24 and 70,996.20

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Solution

The fourth proportional to 142,149.84, 213,150.24 and 70,996.20 is: 106,457.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,149.84 : 213,150.24 = 70,996.20 : x
  2. Step 2: Convert to fraction form
    142,149.84/213,150.24 = 70,996.20/x
  3. Step 3: Cross multiply
    142,149.84x = 213,150.24 × 70,996.20
  4. Step 4: Simplify right side
    142,149.84x = 15,132,857,069.09
  5. Step 5: Solve for x
    x = 15,132,857,069.09/142,149.84
  6. Step 6: Final answer
    x = 106,457.08

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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.