Home / 104,861.79-144,706.50-57,112.29

Finding the Fourth Proportional to 104,861.79, 144,706.50 and 57,112.29

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Solution

The fourth proportional to 104,861.79, 144,706.50 and 57,112.29 is: 78,813.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,861.79 : 144,706.50 = 57,112.29 : x
  2. Step 2: Convert to fraction form
    104,861.79/144,706.50 = 57,112.29/x
  3. Step 3: Cross multiply
    104,861.79x = 144,706.50 × 57,112.29
  4. Step 4: Simplify right side
    104,861.79x = 8,264,519,592.89
  5. Step 5: Solve for x
    x = 8,264,519,592.89/104,861.79
  6. Step 6: Final answer
    x = 78,813.45

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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.