Home / 230,182.18-317,667.37-139,541.96

Finding the Fourth Proportional to 230,182.18, 317,667.37 and 139,541.96

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Solution

The fourth proportional to 230,182.18, 317,667.37 and 139,541.96 is: 192,577.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,182.18 : 317,667.37 = 139,541.96 : x
  2. Step 2: Convert to fraction form
    230,182.18/317,667.37 = 139,541.96/x
  3. Step 3: Cross multiply
    230,182.18x = 317,667.37 × 139,541.96
  4. Step 4: Simplify right side
    230,182.18x = 44,327,927,437.85
  5. Step 5: Solve for x
    x = 44,327,927,437.85/230,182.18
  6. Step 6: Final answer
    x = 192,577.58

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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.