Home / 108,905.30-163,455.15-94,130.90

Finding the Fourth Proportional to 108,905.30, 163,455.15 and 94,130.90

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Solution

The fourth proportional to 108,905.30, 163,455.15 and 94,130.90 is: 141,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,905.30 : 163,455.15 = 94,130.90 : x
  2. Step 2: Convert to fraction form
    108,905.30/163,455.15 = 94,130.90/x
  3. Step 3: Cross multiply
    108,905.30x = 163,455.15 × 94,130.90
  4. Step 4: Simplify right side
    108,905.30x = 15,386,180,379.14
  5. Step 5: Solve for x
    x = 15,386,180,379.14/108,905.30
  6. Step 6: Final answer
    x = 141,280.36

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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.