Home / 145,965.79-201,398.45-88,603.70

Finding the Fourth Proportional to 145,965.79, 201,398.45 and 88,603.70

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Solution

The fourth proportional to 145,965.79, 201,398.45 and 88,603.70 is: 122,252.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,965.79 : 201,398.45 = 88,603.70 : x
  2. Step 2: Convert to fraction form
    145,965.79/201,398.45 = 88,603.70/x
  3. Step 3: Cross multiply
    145,965.79x = 201,398.45 × 88,603.70
  4. Step 4: Simplify right side
    145,965.79x = 17,844,647,844.27
  5. Step 5: Solve for x
    x = 17,844,647,844.27/145,965.79
  6. Step 6: Final answer
    x = 122,252.26

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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.