Home / 142,440.02-213,597.70-67,581.52

Finding the Fourth Proportional to 142,440.02, 213,597.70 and 67,581.52

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Solution

The fourth proportional to 142,440.02, 213,597.70 and 67,581.52 is: 101,342.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,440.02 : 213,597.70 = 67,581.52 : x
  2. Step 2: Convert to fraction form
    142,440.02/213,597.70 = 67,581.52/x
  3. Step 3: Cross multiply
    142,440.02x = 213,597.70 × 67,581.52
  4. Step 4: Simplify right side
    142,440.02x = 14,435,257,234.50
  5. Step 5: Solve for x
    x = 14,435,257,234.50/142,440.02
  6. Step 6: Final answer
    x = 101,342.71

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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.