Home / 78,544.23-116,927.94-78,077.13

Finding the Fourth Proportional to 78,544.23, 116,927.94 and 78,077.13

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Solution

The fourth proportional to 78,544.23, 116,927.94 and 78,077.13 is: 116,232.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,544.23 : 116,927.94 = 78,077.13 : x
  2. Step 2: Convert to fraction form
    78,544.23/116,927.94 = 78,077.13/x
  3. Step 3: Cross multiply
    78,544.23x = 116,927.94 × 78,077.13
  4. Step 4: Simplify right side
    78,544.23x = 9,129,397,972.01
  5. Step 5: Solve for x
    x = 9,129,397,972.01/78,544.23
  6. Step 6: Final answer
    x = 116,232.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.