Home / 105,185.02-145,174.02-62,162.68

Finding the Fourth Proportional to 105,185.02, 145,174.02 and 62,162.68

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Solution

The fourth proportional to 105,185.02, 145,174.02 and 62,162.68 is: 85,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,185.02 : 145,174.02 = 62,162.68 : x
  2. Step 2: Convert to fraction form
    105,185.02/145,174.02 = 62,162.68/x
  3. Step 3: Cross multiply
    105,185.02x = 145,174.02 × 62,162.68
  4. Step 4: Simplify right side
    105,185.02x = 9,024,406,149.57
  5. Step 5: Solve for x
    x = 9,024,406,149.57/105,185.02
  6. Step 6: Final answer
    x = 85,795.55

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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.