Home / 162,908.70-225,000.63-129,782.94

Finding the Fourth Proportional to 162,908.70, 225,000.63 and 129,782.94

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Solution

The fourth proportional to 162,908.70, 225,000.63 and 129,782.94 is: 179,249.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,908.70 : 225,000.63 = 129,782.94 : x
  2. Step 2: Convert to fraction form
    162,908.70/225,000.63 = 129,782.94/x
  3. Step 3: Cross multiply
    162,908.70x = 225,000.63 × 129,782.94
  4. Step 4: Simplify right side
    162,908.70x = 29,201,243,263.25
  5. Step 5: Solve for x
    x = 29,201,243,263.25/162,908.70
  6. Step 6: Final answer
    x = 179,249.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.