Home / 142,215.70-213,265.95-48,673.30

Finding the Fourth Proportional to 142,215.70, 213,265.95 and 48,673.30

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Solution

The fourth proportional to 142,215.70, 213,265.95 and 48,673.30 is: 72,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,215.70 : 213,265.95 = 48,673.30 : x
  2. Step 2: Convert to fraction form
    142,215.70/213,265.95 = 48,673.30/x
  3. Step 3: Cross multiply
    142,215.70x = 213,265.95 × 48,673.30
  4. Step 4: Simplify right side
    142,215.70x = 10,380,357,564.14
  5. Step 5: Solve for x
    x = 10,380,357,564.14/142,215.70
  6. Step 6: Final answer
    x = 72,990.24

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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.