Home / 102,579.66-153,875.98-43,407.54

Finding the Fourth Proportional to 102,579.66, 153,875.98 and 43,407.54

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Solution

The fourth proportional to 102,579.66, 153,875.98 and 43,407.54 is: 65,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,579.66 : 153,875.98 = 43,407.54 : x
  2. Step 2: Convert to fraction form
    102,579.66/153,875.98 = 43,407.54/x
  3. Step 3: Cross multiply
    102,579.66x = 153,875.98 × 43,407.54
  4. Step 4: Simplify right side
    102,579.66x = 6,679,377,756.89
  5. Step 5: Solve for x
    x = 6,679,377,756.89/102,579.66
  6. Step 6: Final answer
    x = 65,114.06

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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.