Home / 145,032.28-217,449.98-73,779.80

Finding the Fourth Proportional to 145,032.28, 217,449.98 and 73,779.80

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Solution

The fourth proportional to 145,032.28, 217,449.98 and 73,779.80 is: 110,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,032.28 : 217,449.98 = 73,779.80 : x
  2. Step 2: Convert to fraction form
    145,032.28/217,449.98 = 73,779.80/x
  3. Step 3: Cross multiply
    145,032.28x = 217,449.98 × 73,779.80
  4. Step 4: Simplify right side
    145,032.28x = 16,043,416,034.40
  5. Step 5: Solve for x
    x = 16,043,416,034.40/145,032.28
  6. Step 6: Final answer
    x = 110,619.62

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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.