Home / 118,874.08-164,045.28-68,572

Finding the Fourth Proportional to 118,874.08, 164,045.28 and 68,572

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Solution

The fourth proportional to 118,874.08, 164,045.28 and 68,572 is: 94,628.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,874.08 : 164,045.28 = 68,572 : x
  2. Step 2: Convert to fraction form
    118,874.08/164,045.28 = 68,572/x
  3. Step 3: Cross multiply
    118,874.08x = 164,045.28 × 68,572
  4. Step 4: Simplify right side
    118,874.08x = 11,248,912,940.16
  5. Step 5: Solve for x
    x = 11,248,912,940.16/118,874.08
  6. Step 6: Final answer
    x = 94,628.81

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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.