Home / 207,345.06-311,031.70-70,512.44

Finding the Fourth Proportional to 207,345.06, 311,031.70 and 70,512.44

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Solution

The fourth proportional to 207,345.06, 311,031.70 and 70,512.44 is: 105,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,345.06 : 311,031.70 = 70,512.44 : x
  2. Step 2: Convert to fraction form
    207,345.06/311,031.70 = 70,512.44/x
  3. Step 3: Cross multiply
    207,345.06x = 311,031.70 × 70,512.44
  4. Step 4: Simplify right side
    207,345.06x = 21,931,604,084.35
  5. Step 5: Solve for x
    x = 21,931,604,084.35/207,345.06
  6. Step 6: Final answer
    x = 105,773.46

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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.