Home / 105,025.34-144,933.40-57,278.58

Finding the Fourth Proportional to 105,025.34, 144,933.40 and 57,278.58

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Solution

The fourth proportional to 105,025.34, 144,933.40 and 57,278.58 is: 79,043.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,025.34 : 144,933.40 = 57,278.58 : x
  2. Step 2: Convert to fraction form
    105,025.34/144,933.40 = 57,278.58/x
  3. Step 3: Cross multiply
    105,025.34x = 144,933.40 × 57,278.58
  4. Step 4: Simplify right side
    105,025.34x = 8,301,579,346.57
  5. Step 5: Solve for x
    x = 8,301,579,346.57/105,025.34
  6. Step 6: Final answer
    x = 79,043.58

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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.