Home / 255,180.08-352,142.52-142,000.40

Finding the Fourth Proportional to 255,180.08, 352,142.52 and 142,000.40

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Solution

The fourth proportional to 255,180.08, 352,142.52 and 142,000.40 is: 195,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,180.08 : 352,142.52 = 142,000.40 : x
  2. Step 2: Convert to fraction form
    255,180.08/352,142.52 = 142,000.40/x
  3. Step 3: Cross multiply
    255,180.08x = 352,142.52 × 142,000.40
  4. Step 4: Simplify right side
    255,180.08x = 50,004,378,697.01
  5. Step 5: Solve for x
    x = 50,004,378,697.01/255,180.08
  6. Step 6: Final answer
    x = 195,957.22

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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.