Home / 162,210.64-243,259.61-90,273.32

Finding the Fourth Proportional to 162,210.64, 243,259.61 and 90,273.32

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Solution

The fourth proportional to 162,210.64, 243,259.61 and 90,273.32 is: 135,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,210.64 : 243,259.61 = 90,273.32 : x
  2. Step 2: Convert to fraction form
    162,210.64/243,259.61 = 90,273.32/x
  3. Step 3: Cross multiply
    162,210.64x = 243,259.61 × 90,273.32
  4. Step 4: Simplify right side
    162,210.64x = 21,959,853,229.50
  5. Step 5: Solve for x
    x = 21,959,853,229.50/162,210.64
  6. Step 6: Final answer
    x = 135,378.62

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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.