Home / 105,343.28-145,372.74-57,596.12

Finding the Fourth Proportional to 105,343.28, 145,372.74 and 57,596.12

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Solution

The fourth proportional to 105,343.28, 145,372.74 and 57,596.12 is: 79,482.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,343.28 : 145,372.74 = 57,596.12 : x
  2. Step 2: Convert to fraction form
    105,343.28/145,372.74 = 57,596.12/x
  3. Step 3: Cross multiply
    105,343.28x = 145,372.74 × 57,596.12
  4. Step 4: Simplify right side
    105,343.28x = 8,372,905,853.22
  5. Step 5: Solve for x
    x = 8,372,905,853.22/105,343.28
  6. Step 6: Final answer
    x = 79,482.11

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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.