Home / 205,154.80-307,732.20-188,047.60

Finding the Fourth Proportional to 205,154.80, 307,732.20 and 188,047.60

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Solution

The fourth proportional to 205,154.80, 307,732.20 and 188,047.60 is: 282,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,154.80 : 307,732.20 = 188,047.60 : x
  2. Step 2: Convert to fraction form
    205,154.80/307,732.20 = 188,047.60/x
  3. Step 3: Cross multiply
    205,154.80x = 307,732.20 × 188,047.60
  4. Step 4: Simplify right side
    205,154.80x = 57,868,301,652.72
  5. Step 5: Solve for x
    x = 57,868,301,652.72/205,154.80
  6. Step 6: Final answer
    x = 282,071.40

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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.