Home / 134,379.65-185,445.30-77,017.73

Finding the Fourth Proportional to 134,379.65, 185,445.30 and 77,017.73

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Solution

The fourth proportional to 134,379.65, 185,445.30 and 77,017.73 is: 106,285.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,379.65 : 185,445.30 = 77,017.73 : x
  2. Step 2: Convert to fraction form
    134,379.65/185,445.30 = 77,017.73/x
  3. Step 3: Cross multiply
    134,379.65x = 185,445.30 × 77,017.73
  4. Step 4: Simplify right side
    134,379.65x = 14,282,575,117.94
  5. Step 5: Solve for x
    x = 14,282,575,117.94/134,379.65
  6. Step 6: Final answer
    x = 106,285.26

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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.