Home / 145,905.12-201,387.30-95,057.40

Finding the Fourth Proportional to 145,905.12, 201,387.30 and 95,057.40

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Solution

The fourth proportional to 145,905.12, 201,387.30 and 95,057.40 is: 131,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,905.12 : 201,387.30 = 95,057.40 : x
  2. Step 2: Convert to fraction form
    145,905.12/201,387.30 = 95,057.40/x
  3. Step 3: Cross multiply
    145,905.12x = 201,387.30 × 95,057.40
  4. Step 4: Simplify right side
    145,905.12x = 19,143,353,131.02
  5. Step 5: Solve for x
    x = 19,143,353,131.02/145,905.12
  6. Step 6: Final answer
    x = 131,204.12

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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.