Home / 147,512.60-221,268.90-100,856.60

Finding the Fourth Proportional to 147,512.60, 221,268.90 and 100,856.60

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Solution

The fourth proportional to 147,512.60, 221,268.90 and 100,856.60 is: 151,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,512.60 : 221,268.90 = 100,856.60 : x
  2. Step 2: Convert to fraction form
    147,512.60/221,268.90 = 100,856.60/x
  3. Step 3: Cross multiply
    147,512.60x = 221,268.90 × 100,856.60
  4. Step 4: Simplify right side
    147,512.60x = 22,316,428,939.74
  5. Step 5: Solve for x
    x = 22,316,428,939.74/147,512.60
  6. Step 6: Final answer
    x = 151,284.90

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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.