Home / 147,984.22-222,009.20-69,055.39

Finding the Fourth Proportional to 147,984.22, 222,009.20 and 69,055.39

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Solution

The fourth proportional to 147,984.22, 222,009.20 and 69,055.39 is: 103,598.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,984.22 : 222,009.20 = 69,055.39 : x
  2. Step 2: Convert to fraction form
    147,984.22/222,009.20 = 69,055.39/x
  3. Step 3: Cross multiply
    147,984.22x = 222,009.20 × 69,055.39
  4. Step 4: Simplify right side
    147,984.22x = 15,330,931,507.20
  5. Step 5: Solve for x
    x = 15,330,931,507.20/147,984.22
  6. Step 6: Final answer
    x = 103,598.42

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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.