Home / 79,033.14-118,633.26-77,248.34

Finding the Fourth Proportional to 79,033.14, 118,633.26 and 77,248.34

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Solution

The fourth proportional to 79,033.14, 118,633.26 and 77,248.34 is: 115,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,033.14 : 118,633.26 = 77,248.34 : x
  2. Step 2: Convert to fraction form
    79,033.14/118,633.26 = 77,248.34/x
  3. Step 3: Cross multiply
    79,033.14x = 118,633.26 × 77,248.34
  4. Step 4: Simplify right side
    79,033.14x = 9,164,222,403.79
  5. Step 5: Solve for x
    x = 9,164,222,403.79/79,033.14
  6. Step 6: Final answer
    x = 115,954.17

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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.