Home / 149,246.30-223,541.40-89,978.60

Finding the Fourth Proportional to 149,246.30, 223,541.40 and 89,978.60

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Solution

The fourth proportional to 149,246.30, 223,541.40 and 89,978.60 is: 134,770.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,246.30 : 223,541.40 = 89,978.60 : x
  2. Step 2: Convert to fraction form
    149,246.30/223,541.40 = 89,978.60/x
  3. Step 3: Cross multiply
    149,246.30x = 223,541.40 × 89,978.60
  4. Step 4: Simplify right side
    149,246.30x = 20,113,942,214.04
  5. Step 5: Solve for x
    x = 20,113,942,214.04/149,246.30
  6. Step 6: Final answer
    x = 134,770.12

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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.