Home / 145,236.45-217,854.84-45,397.17

Finding the Fourth Proportional to 145,236.45, 217,854.84 and 45,397.17

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Solution

The fourth proportional to 145,236.45, 217,854.84 and 45,397.17 is: 68,095.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,236.45 : 217,854.84 = 45,397.17 : x
  2. Step 2: Convert to fraction form
    145,236.45/217,854.84 = 45,397.17/x
  3. Step 3: Cross multiply
    145,236.45x = 217,854.84 × 45,397.17
  4. Step 4: Simplify right side
    145,236.45x = 9,889,993,206.80
  5. Step 5: Solve for x
    x = 9,889,993,206.80/145,236.45
  6. Step 6: Final answer
    x = 68,095.81

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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.