Home / 201,973.20-302,765.40-156,969.60

Finding the Fourth Proportional to 201,973.20, 302,765.40 and 156,969.60

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Solution

The fourth proportional to 201,973.20, 302,765.40 and 156,969.60 is: 235,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,973.20 : 302,765.40 = 156,969.60 : x
  2. Step 2: Convert to fraction form
    201,973.20/302,765.40 = 156,969.60/x
  3. Step 3: Cross multiply
    201,973.20x = 302,765.40 × 156,969.60
  4. Step 4: Simplify right side
    201,973.20x = 47,524,963,731.84
  5. Step 5: Solve for x
    x = 47,524,963,731.84/201,973.20
  6. Step 6: Final answer
    x = 235,303.32

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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.