Home / 205,059.40-307,560.30-64,832.20

Finding the Fourth Proportional to 205,059.40, 307,560.30 and 64,832.20

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Solution

The fourth proportional to 205,059.40, 307,560.30 and 64,832.20 is: 97,239.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,059.40 : 307,560.30 = 64,832.20 : x
  2. Step 2: Convert to fraction form
    205,059.40/307,560.30 = 64,832.20/x
  3. Step 3: Cross multiply
    205,059.40x = 307,560.30 × 64,832.20
  4. Step 4: Simplify right side
    205,059.40x = 19,939,810,881.66
  5. Step 5: Solve for x
    x = 19,939,810,881.66/205,059.40
  6. Step 6: Final answer
    x = 97,239.19

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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.