Home / 105,230.55-157,741.92-42,012.59

Finding the Fourth Proportional to 105,230.55, 157,741.92 and 42,012.59

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Solution

The fourth proportional to 105,230.55, 157,741.92 and 42,012.59 is: 62,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,230.55 : 157,741.92 = 42,012.59 : x
  2. Step 2: Convert to fraction form
    105,230.55/157,741.92 = 42,012.59/x
  3. Step 3: Cross multiply
    105,230.55x = 157,741.92 × 42,012.59
  4. Step 4: Simplify right side
    105,230.55x = 6,627,145,822.06
  5. Step 5: Solve for x
    x = 6,627,145,822.06/105,230.55
  6. Step 6: Final answer
    x = 62,977.39

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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.