Home / 207,031.12-310,546.75-64,887.43

Finding the Fourth Proportional to 207,031.12, 310,546.75 and 64,887.43

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Solution

The fourth proportional to 207,031.12, 310,546.75 and 64,887.43 is: 97,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,031.12 : 310,546.75 = 64,887.43 : x
  2. Step 2: Convert to fraction form
    207,031.12/310,546.75 = 64,887.43/x
  3. Step 3: Cross multiply
    207,031.12x = 310,546.75 × 64,887.43
  4. Step 4: Simplify right side
    207,031.12x = 20,150,579,888.20
  5. Step 5: Solve for x
    x = 20,150,579,888.20/207,031.12
  6. Step 6: Final answer
    x = 97,331.16

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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.