Home / 94,285.68-129,980.22-74,996.28

Finding the Fourth Proportional to 94,285.68, 129,980.22 and 74,996.28

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Solution

The fourth proportional to 94,285.68, 129,980.22 and 74,996.28 is: 103,388.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,285.68 : 129,980.22 = 74,996.28 : x
  2. Step 2: Convert to fraction form
    94,285.68/129,980.22 = 74,996.28/x
  3. Step 3: Cross multiply
    94,285.68x = 129,980.22 × 74,996.28
  4. Step 4: Simplify right side
    94,285.68x = 9,748,032,973.58
  5. Step 5: Solve for x
    x = 9,748,032,973.58/94,285.68
  6. Step 6: Final answer
    x = 103,388.27

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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.