Home / 142,573.46-213,762.99-72,317.30

Finding the Fourth Proportional to 142,573.46, 213,762.99 and 72,317.30

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Solution

The fourth proportional to 142,573.46, 213,762.99 and 72,317.30 is: 108,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,573.46 : 213,762.99 = 72,317.30 : x
  2. Step 2: Convert to fraction form
    142,573.46/213,762.99 = 72,317.30/x
  3. Step 3: Cross multiply
    142,573.46x = 213,762.99 × 72,317.30
  4. Step 4: Simplify right side
    142,573.46x = 15,458,762,276.73
  5. Step 5: Solve for x
    x = 15,458,762,276.73/142,573.46
  6. Step 6: Final answer
    x = 108,426.65

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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.