Home / 94,034.86-129,656.98-76,976.26

Finding the Fourth Proportional to 94,034.86, 129,656.98 and 76,976.26

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Solution

The fourth proportional to 94,034.86, 129,656.98 and 76,976.26 is: 106,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,034.86 : 129,656.98 = 76,976.26 : x
  2. Step 2: Convert to fraction form
    94,034.86/129,656.98 = 76,976.26/x
  3. Step 3: Cross multiply
    94,034.86x = 129,656.98 × 76,976.26
  4. Step 4: Simplify right side
    94,034.86x = 9,980,509,403.29
  5. Step 5: Solve for x
    x = 9,980,509,403.29/94,034.86
  6. Step 6: Final answer
    x = 106,136.27

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1.5x scale

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.