Home / 208,095.24-312,156.95-73,142.90

Finding the Fourth Proportional to 208,095.24, 312,156.95 and 73,142.90

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Solution

The fourth proportional to 208,095.24, 312,156.95 and 73,142.90 is: 109,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,095.24 : 312,156.95 = 73,142.90 : x
  2. Step 2: Convert to fraction form
    208,095.24/312,156.95 = 73,142.90/x
  3. Step 3: Cross multiply
    208,095.24x = 312,156.95 × 73,142.90
  4. Step 4: Simplify right side
    208,095.24x = 22,832,062,651.66
  5. Step 5: Solve for x
    x = 22,832,062,651.66/208,095.24
  6. Step 6: Final answer
    x = 109,719.29

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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.