Home / 177,782.85-245,362.91-101,329.43

Finding the Fourth Proportional to 177,782.85, 245,362.91 and 101,329.43

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Solution

The fourth proportional to 177,782.85, 245,362.91 and 101,329.43 is: 139,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,782.85 : 245,362.91 = 101,329.43 : x
  2. Step 2: Convert to fraction form
    177,782.85/245,362.91 = 101,329.43/x
  3. Step 3: Cross multiply
    177,782.85x = 245,362.91 × 101,329.43
  4. Step 4: Simplify right side
    177,782.85x = 24,862,482,079.98
  5. Step 5: Solve for x
    x = 24,862,482,079.98/177,782.85
  6. Step 6: Final answer
    x = 139,847.47

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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.