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Finding the Fourth Proportional to 145,479.70, 200,700.31 and 88,858.27

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Solution

The fourth proportional to 145,479.70, 200,700.31 and 88,858.27 is: 122,586.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,479.70 : 200,700.31 = 88,858.27 : x
  2. Step 2: Convert to fraction form
    145,479.70/200,700.31 = 88,858.27/x
  3. Step 3: Cross multiply
    145,479.70x = 200,700.31 × 88,858.27
  4. Step 4: Simplify right side
    145,479.70x = 17,833,881,151.55
  5. Step 5: Solve for x
    x = 17,833,881,151.55/145,479.70
  6. Step 6: Final answer
    x = 122,586.74

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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.