Home / 119,639.32-164,967.42-76,562.44

Finding the Fourth Proportional to 119,639.32, 164,967.42 and 76,562.44

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Solution

The fourth proportional to 119,639.32, 164,967.42 and 76,562.44 is: 105,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,639.32 : 164,967.42 = 76,562.44 : x
  2. Step 2: Convert to fraction form
    119,639.32/164,967.42 = 76,562.44/x
  3. Step 3: Cross multiply
    119,639.32x = 164,967.42 × 76,562.44
  4. Step 4: Simplify right side
    119,639.32x = 12,630,308,195.70
  5. Step 5: Solve for x
    x = 12,630,308,195.70/119,639.32
  6. Step 6: Final answer
    x = 105,569.88

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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.