Home / 112,973.20-169,411.20-56,791.60

Finding the Fourth Proportional to 112,973.20, 169,411.20 and 56,791.60

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Solution

The fourth proportional to 112,973.20, 169,411.20 and 56,791.60 is: 85,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,973.20 : 169,411.20 = 56,791.60 : x
  2. Step 2: Convert to fraction form
    112,973.20/169,411.20 = 56,791.60/x
  3. Step 3: Cross multiply
    112,973.20x = 169,411.20 × 56,791.60
  4. Step 4: Simplify right side
    112,973.20x = 9,621,133,105.92
  5. Step 5: Solve for x
    x = 9,621,133,105.92/112,973.20
  6. Step 6: Final answer
    x = 85,162.97

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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.