Home / 115,056.60-172,649.70-44,926.80

Finding the Fourth Proportional to 115,056.60, 172,649.70 and 44,926.80

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Solution

The fourth proportional to 115,056.60, 172,649.70 and 44,926.80 is: 67,415.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,056.60 : 172,649.70 = 44,926.80 : x
  2. Step 2: Convert to fraction form
    115,056.60/172,649.70 = 44,926.80/x
  3. Step 3: Cross multiply
    115,056.60x = 172,649.70 × 44,926.80
  4. Step 4: Simplify right side
    115,056.60x = 7,756,598,541.96
  5. Step 5: Solve for x
    x = 7,756,598,541.96/115,056.60
  6. Step 6: Final answer
    x = 67,415.50

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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.