Home / 145,921.03-218,842.34-55,944.20

Finding the Fourth Proportional to 145,921.03, 218,842.34 and 55,944.20

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Solution

The fourth proportional to 145,921.03, 218,842.34 and 55,944.20 is: 83,901.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,921.03 : 218,842.34 = 55,944.20 : x
  2. Step 2: Convert to fraction form
    145,921.03/218,842.34 = 55,944.20/x
  3. Step 3: Cross multiply
    145,921.03x = 218,842.34 × 55,944.20
  4. Step 4: Simplify right side
    145,921.03x = 12,242,959,904.81
  5. Step 5: Solve for x
    x = 12,242,959,904.81/145,921.03
  6. Step 6: Final answer
    x = 83,901.27

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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.