Home / 70,687.08-106,031.43-18,095.13

Finding the Fourth Proportional to 70,687.08, 106,031.43 and 18,095.13

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Solution

The fourth proportional to 70,687.08, 106,031.43 and 18,095.13 is: 27,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,687.08 : 106,031.43 = 18,095.13 : x
  2. Step 2: Convert to fraction form
    70,687.08/106,031.43 = 18,095.13/x
  3. Step 3: Cross multiply
    70,687.08x = 106,031.43 × 18,095.13
  4. Step 4: Simplify right side
    70,687.08x = 1,918,652,509.94
  5. Step 5: Solve for x
    x = 1,918,652,509.94/70,687.08
  6. Step 6: Final answer
    x = 27,142.90

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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.