Home / 255,182.08-352,145.28-142,002.40

Finding the Fourth Proportional to 255,182.08, 352,145.28 and 142,002.40

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Solution

The fourth proportional to 255,182.08, 352,145.28 and 142,002.40 is: 195,959.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,182.08 : 352,145.28 = 142,002.40 : x
  2. Step 2: Convert to fraction form
    255,182.08/352,145.28 = 142,002.40/x
  3. Step 3: Cross multiply
    255,182.08x = 352,145.28 × 142,002.40
  4. Step 4: Simplify right side
    255,182.08x = 50,005,474,908.67
  5. Step 5: Solve for x
    x = 50,005,474,908.67/255,182.08
  6. Step 6: Final answer
    x = 195,959.98

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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.