Home / 105,037.47-144,953.52-57,291.21

Finding the Fourth Proportional to 105,037.47, 144,953.52 and 57,291.21

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Solution

The fourth proportional to 105,037.47, 144,953.52 and 57,291.21 is: 79,062.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,037.47 : 144,953.52 = 57,291.21 : x
  2. Step 2: Convert to fraction form
    105,037.47/144,953.52 = 57,291.21/x
  3. Step 3: Cross multiply
    105,037.47x = 144,953.52 × 57,291.21
  4. Step 4: Simplify right side
    105,037.47x = 8,304,562,554.56
  5. Step 5: Solve for x
    x = 8,304,562,554.56/105,037.47
  6. Step 6: Final answer
    x = 79,062.86

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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.