Home / 131,575.50-181,573.90-74,214.63

Finding the Fourth Proportional to 131,575.50, 181,573.90 and 74,214.63

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Solution

The fourth proportional to 131,575.50, 181,573.90 and 74,214.63 is: 102,416.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,575.50 : 181,573.90 = 74,214.63 : x
  2. Step 2: Convert to fraction form
    131,575.50/181,573.90 = 74,214.63/x
  3. Step 3: Cross multiply
    131,575.50x = 181,573.90 × 74,214.63
  4. Step 4: Simplify right side
    131,575.50x = 13,475,439,620.62
  5. Step 5: Solve for x
    x = 13,475,439,620.62/131,575.50
  6. Step 6: Final answer
    x = 102,416.02

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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.