Home / 112,309.08-154,980.18-67,038.18

Finding the Fourth Proportional to 112,309.08, 154,980.18 and 67,038.18

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Solution

The fourth proportional to 112,309.08, 154,980.18 and 67,038.18 is: 92,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,309.08 : 154,980.18 = 67,038.18 : x
  2. Step 2: Convert to fraction form
    112,309.08/154,980.18 = 67,038.18/x
  3. Step 3: Cross multiply
    112,309.08x = 154,980.18 × 67,038.18
  4. Step 4: Simplify right side
    112,309.08x = 10,389,589,203.27
  5. Step 5: Solve for x
    x = 10,389,589,203.27/112,309.08
  6. Step 6: Final answer
    x = 92,508.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.