Home / 108,927.03-163,386.09-30,039.15

Finding the Fourth Proportional to 108,927.03, 163,386.09 and 30,039.15

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Solution

The fourth proportional to 108,927.03, 163,386.09 and 30,039.15 is: 45,057.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,927.03 : 163,386.09 = 30,039.15 : x
  2. Step 2: Convert to fraction form
    108,927.03/163,386.09 = 30,039.15/x
  3. Step 3: Cross multiply
    108,927.03x = 163,386.09 × 30,039.15
  4. Step 4: Simplify right side
    108,927.03x = 4,907,979,265.42
  5. Step 5: Solve for x
    x = 4,907,979,265.42/108,927.03
  6. Step 6: Final answer
    x = 45,057.50

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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.