Home / 141,459.45-212,057.34-97,107.09

Finding the Fourth Proportional to 141,459.45, 212,057.34 and 97,107.09

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Solution

The fourth proportional to 141,459.45, 212,057.34 and 97,107.09 is: 145,570.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,459.45 : 212,057.34 = 97,107.09 : x
  2. Step 2: Convert to fraction form
    141,459.45/212,057.34 = 97,107.09/x
  3. Step 3: Cross multiply
    141,459.45x = 212,057.34 × 97,107.09
  4. Step 4: Simplify right side
    141,459.45x = 20,592,271,200.54
  5. Step 5: Solve for x
    x = 20,592,271,200.54/141,459.45
  6. Step 6: Final answer
    x = 145,570.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.