Home / 255,187.08-352,152.18-142,007.40

Finding the Fourth Proportional to 255,187.08, 352,152.18 and 142,007.40

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Solution

The fourth proportional to 255,187.08, 352,152.18 and 142,007.40 is: 195,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,187.08 : 352,152.18 = 142,007.40 : x
  2. Step 2: Convert to fraction form
    255,187.08/352,152.18 = 142,007.40/x
  3. Step 3: Cross multiply
    255,187.08x = 352,152.18 × 142,007.40
  4. Step 4: Simplify right side
    255,187.08x = 50,008,215,486.13
  5. Step 5: Solve for x
    x = 50,008,215,486.13/255,187.08
  6. Step 6: Final answer
    x = 195,966.88

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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.