Home / 105,382.04-145,425.18-57,635.24

Finding the Fourth Proportional to 105,382.04, 145,425.18 and 57,635.24

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Solution

The fourth proportional to 105,382.04, 145,425.18 and 57,635.24 is: 79,535.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,382.04 : 145,425.18 = 57,635.24 : x
  2. Step 2: Convert to fraction form
    105,382.04/145,425.18 = 57,635.24/x
  3. Step 3: Cross multiply
    105,382.04x = 145,425.18 × 57,635.24
  4. Step 4: Simplify right side
    105,382.04x = 8,381,615,151.34
  5. Step 5: Solve for x
    x = 8,381,615,151.34/105,382.04
  6. Step 6: Final answer
    x = 79,535.52

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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.