Home / 105,360.42-158,102.83-38,846.98

Finding the Fourth Proportional to 105,360.42, 158,102.83 and 38,846.98

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Solution

The fourth proportional to 105,360.42, 158,102.83 and 38,846.98 is: 58,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,360.42 : 158,102.83 = 38,846.98 : x
  2. Step 2: Convert to fraction form
    105,360.42/158,102.83 = 38,846.98/x
  3. Step 3: Cross multiply
    105,360.42x = 158,102.83 × 38,846.98
  4. Step 4: Simplify right side
    105,360.42x = 6,141,817,474.95
  5. Step 5: Solve for x
    x = 6,141,817,474.95/105,360.42
  6. Step 6: Final answer
    x = 58,293.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.