Home / 145,605.18-200,884.95-88,262.94

Finding the Fourth Proportional to 145,605.18, 200,884.95 and 88,262.94

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Solution

The fourth proportional to 145,605.18, 200,884.95 and 88,262.94 is: 121,772.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,605.18 : 200,884.95 = 88,262.94 : x
  2. Step 2: Convert to fraction form
    145,605.18/200,884.95 = 88,262.94/x
  3. Step 3: Cross multiply
    145,605.18x = 200,884.95 × 88,262.94
  4. Step 4: Simplify right side
    145,605.18x = 17,730,696,288.75
  5. Step 5: Solve for x
    x = 17,730,696,288.75/145,605.18
  6. Step 6: Final answer
    x = 121,772.43

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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.