Home / 136,444.32-188,288.42-76,011.84

Finding the Fourth Proportional to 136,444.32, 188,288.42 and 76,011.84

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Solution

The fourth proportional to 136,444.32, 188,288.42 and 76,011.84 is: 104,893.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,444.32 : 188,288.42 = 76,011.84 : x
  2. Step 2: Convert to fraction form
    136,444.32/188,288.42 = 76,011.84/x
  3. Step 3: Cross multiply
    136,444.32x = 188,288.42 × 76,011.84
  4. Step 4: Simplify right side
    136,444.32x = 14,312,148,874.83
  5. Step 5: Solve for x
    x = 14,312,148,874.83/136,444.32
  6. Step 6: Final answer
    x = 104,893.69

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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.