Home / 119,225.60-178,838.40-40,342.40

Finding the Fourth Proportional to 119,225.60, 178,838.40 and 40,342.40

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Solution

The fourth proportional to 119,225.60, 178,838.40 and 40,342.40 is: 60,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,225.60 : 178,838.40 = 40,342.40 : x
  2. Step 2: Convert to fraction form
    119,225.60/178,838.40 = 40,342.40/x
  3. Step 3: Cross multiply
    119,225.60x = 178,838.40 × 40,342.40
  4. Step 4: Simplify right side
    119,225.60x = 7,214,770,268.16
  5. Step 5: Solve for x
    x = 7,214,770,268.16/119,225.60
  6. Step 6: Final answer
    x = 60,513.60

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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.