Home / 146,141.90-201,655.59-81,603.26

Finding the Fourth Proportional to 146,141.90, 201,655.59 and 81,603.26

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Solution

The fourth proportional to 146,141.90, 201,655.59 and 81,603.26 is: 112,601.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,141.90 : 201,655.59 = 81,603.26 : x
  2. Step 2: Convert to fraction form
    146,141.90/201,655.59 = 81,603.26/x
  3. Step 3: Cross multiply
    146,141.90x = 201,655.59 × 81,603.26
  4. Step 4: Simplify right side
    146,141.90x = 16,455,753,541.22
  5. Step 5: Solve for x
    x = 16,455,753,541.22/146,141.90
  6. Step 6: Final answer
    x = 112,601.20

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1.5x scale

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.