Home / 114,728.17-172,136.39-55,559.29

Finding the Fourth Proportional to 114,728.17, 172,136.39 and 55,559.29

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Solution

The fourth proportional to 114,728.17, 172,136.39 and 55,559.29 is: 83,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,728.17 : 172,136.39 = 55,559.29 : x
  2. Step 2: Convert to fraction form
    114,728.17/172,136.39 = 55,559.29/x
  3. Step 3: Cross multiply
    114,728.17x = 172,136.39 × 55,559.29
  4. Step 4: Simplify right side
    114,728.17x = 9,563,775,333.77
  5. Step 5: Solve for x
    x = 9,563,775,333.77/114,728.17
  6. Step 6: Final answer
    x = 83,360.31

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1.5x scale

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.