Home / 255,628.17-352,774.08-142,458.21

Finding the Fourth Proportional to 255,628.17, 352,774.08 and 142,458.21

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Solution

The fourth proportional to 255,628.17, 352,774.08 and 142,458.21 is: 196,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,628.17 : 352,774.08 = 142,458.21 : x
  2. Step 2: Convert to fraction form
    255,628.17/352,774.08 = 142,458.21/x
  3. Step 3: Cross multiply
    255,628.17x = 352,774.08 × 142,458.21
  4. Step 4: Simplify right side
    255,628.17x = 50,255,563,971.20
  5. Step 5: Solve for x
    x = 50,255,563,971.20/255,628.17
  6. Step 6: Final answer
    x = 196,596.35

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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.