Home / 255,934.60-383,729.10-136,011.40

Finding the Fourth Proportional to 255,934.60, 383,729.10 and 136,011.40

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Solution

The fourth proportional to 255,934.60, 383,729.10 and 136,011.40 is: 203,925.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,934.60 : 383,729.10 = 136,011.40 : x
  2. Step 2: Convert to fraction form
    255,934.60/383,729.10 = 136,011.40/x
  3. Step 3: Cross multiply
    255,934.60x = 383,729.10 × 136,011.40
  4. Step 4: Simplify right side
    255,934.60x = 52,191,532,111.74
  5. Step 5: Solve for x
    x = 52,191,532,111.74/255,934.60
  6. Step 6: Final answer
    x = 203,925.27

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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.