Home / 142,250.56-213,302.30-52,270.31

Finding the Fourth Proportional to 142,250.56, 213,302.30 and 52,270.31

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Solution

The fourth proportional to 142,250.56, 213,302.30 and 52,270.31 is: 78,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,250.56 : 213,302.30 = 52,270.31 : x
  2. Step 2: Convert to fraction form
    142,250.56/213,302.30 = 52,270.31/x
  3. Step 3: Cross multiply
    142,250.56x = 213,302.30 × 52,270.31
  4. Step 4: Simplify right side
    142,250.56x = 11,149,377,344.71
  5. Step 5: Solve for x
    x = 11,149,377,344.71/142,250.56
  6. Step 6: Final answer
    x = 78,378.44

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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.