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Finding the Fourth Proportional to 162,684.59, 224,502.44 and 91,064.52

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Solution

The fourth proportional to 162,684.59, 224,502.44 and 91,064.52 is: 125,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,684.59 : 224,502.44 = 91,064.52 : x
  2. Step 2: Convert to fraction form
    162,684.59/224,502.44 = 91,064.52/x
  3. Step 3: Cross multiply
    162,684.59x = 224,502.44 × 91,064.52
  4. Step 4: Simplify right side
    162,684.59x = 20,444,206,482.11
  5. Step 5: Solve for x
    x = 20,444,206,482.11/162,684.59
  6. Step 6: Final answer
    x = 125,667.75

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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.