Home / 93,610.13-140,415.21-31,280.63

Finding the Fourth Proportional to 93,610.13, 140,415.21 and 31,280.63

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Solution

The fourth proportional to 93,610.13, 140,415.21 and 31,280.63 is: 46,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,610.13 : 140,415.21 = 31,280.63 : x
  2. Step 2: Convert to fraction form
    93,610.13/140,415.21 = 31,280.63/x
  3. Step 3: Cross multiply
    93,610.13x = 140,415.21 × 31,280.63
  4. Step 4: Simplify right side
    93,610.13x = 4,392,275,528.31
  5. Step 5: Solve for x
    x = 4,392,275,528.31/93,610.13
  6. Step 6: Final answer
    x = 46,920.95

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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.