Home / 119,278.10-164,619.33-76,959.74

Finding the Fourth Proportional to 119,278.10, 164,619.33 and 76,959.74

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Solution

The fourth proportional to 119,278.10, 164,619.33 and 76,959.74 is: 106,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,278.10 : 164,619.33 = 76,959.74 : x
  2. Step 2: Convert to fraction form
    119,278.10/164,619.33 = 76,959.74/x
  3. Step 3: Cross multiply
    119,278.10x = 164,619.33 × 76,959.74
  4. Step 4: Simplify right side
    119,278.10x = 12,669,060,835.77
  5. Step 5: Solve for x
    x = 12,669,060,835.77/119,278.10
  6. Step 6: Final answer
    x = 106,214.48

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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.