Home / 145,936.34-201,372.50-84,680.90

Finding the Fourth Proportional to 145,936.34, 201,372.50 and 84,680.90

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Solution

The fourth proportional to 145,936.34, 201,372.50 and 84,680.90 is: 116,848.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,936.34 : 201,372.50 = 84,680.90 : x
  2. Step 2: Convert to fraction form
    145,936.34/201,372.50 = 84,680.90/x
  3. Step 3: Cross multiply
    145,936.34x = 201,372.50 × 84,680.90
  4. Step 4: Simplify right side
    145,936.34x = 17,052,404,535.25
  5. Step 5: Solve for x
    x = 17,052,404,535.25/145,936.34
  6. Step 6: Final answer
    x = 116,848.24

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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.