Home / 119,025.60-178,538.40-103,473.60

Finding the Fourth Proportional to 119,025.60, 178,538.40 and 103,473.60

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Solution

The fourth proportional to 119,025.60, 178,538.40 and 103,473.60 is: 155,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,025.60 : 178,538.40 = 103,473.60 : x
  2. Step 2: Convert to fraction form
    119,025.60/178,538.40 = 103,473.60/x
  3. Step 3: Cross multiply
    119,025.60x = 178,538.40 × 103,473.60
  4. Step 4: Simplify right side
    119,025.60x = 18,474,010,986.24
  5. Step 5: Solve for x
    x = 18,474,010,986.24/119,025.60
  6. Step 6: Final answer
    x = 155,210.40

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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.