Home / 129,029.54-193,494.95-42,455.25

Finding the Fourth Proportional to 129,029.54, 193,494.95 and 42,455.25

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Solution

The fourth proportional to 129,029.54, 193,494.95 and 42,455.25 is: 63,666.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,029.54 : 193,494.95 = 42,455.25 : x
  2. Step 2: Convert to fraction form
    129,029.54/193,494.95 = 42,455.25/x
  3. Step 3: Cross multiply
    129,029.54x = 193,494.95 × 42,455.25
  4. Step 4: Simplify right side
    129,029.54x = 8,214,876,475.99
  5. Step 5: Solve for x
    x = 8,214,876,475.99/129,029.54
  6. Step 6: Final answer
    x = 63,666.63

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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.