Home / 144,944.40-217,416.60-130,947.60

Finding the Fourth Proportional to 144,944.40, 217,416.60 and 130,947.60

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Solution

The fourth proportional to 144,944.40, 217,416.60 and 130,947.60 is: 196,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,944.40 : 217,416.60 = 130,947.60 : x
  2. Step 2: Convert to fraction form
    144,944.40/217,416.60 = 130,947.60/x
  3. Step 3: Cross multiply
    144,944.40x = 217,416.60 × 130,947.60
  4. Step 4: Simplify right side
    144,944.40x = 28,470,181,970.16
  5. Step 5: Solve for x
    x = 28,470,181,970.16/144,944.40
  6. Step 6: Final answer
    x = 196,421.40

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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.