Home / 137,235.04-205,823.70-38,716

Finding the Fourth Proportional to 137,235.04, 205,823.70 and 38,716

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Solution

The fourth proportional to 137,235.04, 205,823.70 and 38,716 is: 58,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,235.04 : 205,823.70 = 38,716 : x
  2. Step 2: Convert to fraction form
    137,235.04/205,823.70 = 38,716/x
  3. Step 3: Cross multiply
    137,235.04x = 205,823.70 × 38,716
  4. Step 4: Simplify right side
    137,235.04x = 7,968,670,369.20
  5. Step 5: Solve for x
    x = 7,968,670,369.20/137,235.04
  6. Step 6: Final answer
    x = 58,065.86

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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.