Home / 102,457.42-153,649.20-43,297.70

Finding the Fourth Proportional to 102,457.42, 153,649.20 and 43,297.70

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Solution

The fourth proportional to 102,457.42, 153,649.20 and 43,297.70 is: 64,930.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,457.42 : 153,649.20 = 43,297.70 : x
  2. Step 2: Convert to fraction form
    102,457.42/153,649.20 = 43,297.70/x
  3. Step 3: Cross multiply
    102,457.42x = 153,649.20 × 43,297.70
  4. Step 4: Simplify right side
    102,457.42x = 6,652,656,360.96
  5. Step 5: Solve for x
    x = 6,652,656,360.96/102,457.42
  6. Step 6: Final answer
    x = 64,930.94

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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.