Home / 94,212.81-129,883.77-75,157.26

Finding the Fourth Proportional to 94,212.81, 129,883.77 and 75,157.26

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Solution

The fourth proportional to 94,212.81, 129,883.77 and 75,157.26 is: 103,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,212.81 : 129,883.77 = 75,157.26 : x
  2. Step 2: Convert to fraction form
    94,212.81/129,883.77 = 75,157.26/x
  3. Step 3: Cross multiply
    94,212.81x = 129,883.77 × 75,157.26
  4. Step 4: Simplify right side
    94,212.81x = 9,761,708,271.67
  5. Step 5: Solve for x
    x = 9,761,708,271.67/94,212.81
  6. Step 6: Final answer
    x = 103,613.39

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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.