Home / 149,071.20-223,617.60-89,779.20

Finding the Fourth Proportional to 149,071.20, 223,617.60 and 89,779.20

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Solution

The fourth proportional to 149,071.20, 223,617.60 and 89,779.20 is: 134,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,071.20 : 223,617.60 = 89,779.20 : x
  2. Step 2: Convert to fraction form
    149,071.20/223,617.60 = 89,779.20/x
  3. Step 3: Cross multiply
    149,071.20x = 223,617.60 × 89,779.20
  4. Step 4: Simplify right side
    149,071.20x = 20,076,209,233.92
  5. Step 5: Solve for x
    x = 20,076,209,233.92/149,071.20
  6. Step 6: Final answer
    x = 134,675.30

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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.