Home / 145,011.98-217,492.05-92,264.78

Finding the Fourth Proportional to 145,011.98, 217,492.05 and 92,264.78

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Solution

The fourth proportional to 145,011.98, 217,492.05 and 92,264.78 is: 138,380.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,011.98 : 217,492.05 = 92,264.78 : x
  2. Step 2: Convert to fraction form
    145,011.98/217,492.05 = 92,264.78/x
  3. Step 3: Cross multiply
    145,011.98x = 217,492.05 × 92,264.78
  4. Step 4: Simplify right side
    145,011.98x = 20,066,856,145.00
  5. Step 5: Solve for x
    x = 20,066,856,145.00/145,011.98
  6. Step 6: Final answer
    x = 138,380.68

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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.