Home / 105,027.64-144,941.70-57,283.72

Finding the Fourth Proportional to 105,027.64, 144,941.70 and 57,283.72

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Solution

The fourth proportional to 105,027.64, 144,941.70 and 57,283.72 is: 79,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,027.64 : 144,941.70 = 57,283.72 : x
  2. Step 2: Convert to fraction form
    105,027.64/144,941.70 = 57,283.72/x
  3. Step 3: Cross multiply
    105,027.64x = 144,941.70 × 57,283.72
  4. Step 4: Simplify right side
    105,027.64x = 8,302,799,759.12
  5. Step 5: Solve for x
    x = 8,302,799,759.12/105,027.64
  6. Step 6: Final answer
    x = 79,053.47

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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.