Home / 160,325.38-221,055.24-129,730.60

Finding the Fourth Proportional to 160,325.38, 221,055.24 and 129,730.60

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Solution

The fourth proportional to 160,325.38, 221,055.24 and 129,730.60 is: 178,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,325.38 : 221,055.24 = 129,730.60 : x
  2. Step 2: Convert to fraction form
    160,325.38/221,055.24 = 129,730.60/x
  3. Step 3: Cross multiply
    160,325.38x = 221,055.24 × 129,730.60
  4. Step 4: Simplify right side
    160,325.38x = 28,677,628,918.34
  5. Step 5: Solve for x
    x = 28,677,628,918.34/160,325.38
  6. Step 6: Final answer
    x = 178,871.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.