Home / 105,345.60-158,299.20-57,998.40

Finding the Fourth Proportional to 105,345.60, 158,299.20 and 57,998.40

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Solution

The fourth proportional to 105,345.60, 158,299.20 and 57,998.40 is: 87,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,345.60 : 158,299.20 = 57,998.40 : x
  2. Step 2: Convert to fraction form
    105,345.60/158,299.20 = 57,998.40/x
  3. Step 3: Cross multiply
    105,345.60x = 158,299.20 × 57,998.40
  4. Step 4: Simplify right side
    105,345.60x = 9,181,100,321.28
  5. Step 5: Solve for x
    x = 9,181,100,321.28/105,345.60
  6. Step 6: Final answer
    x = 87,152.20

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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.