Home / 119,112.07-164,374.98-65,400.57

Finding the Fourth Proportional to 119,112.07, 164,374.98 and 65,400.57

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Solution

The fourth proportional to 119,112.07, 164,374.98 and 65,400.57 is: 90,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,112.07 : 164,374.98 = 65,400.57 : x
  2. Step 2: Convert to fraction form
    119,112.07/164,374.98 = 65,400.57/x
  3. Step 3: Cross multiply
    119,112.07x = 164,374.98 × 65,400.57
  4. Step 4: Simplify right side
    119,112.07x = 10,750,216,236.86
  5. Step 5: Solve for x
    x = 10,750,216,236.86/119,112.07
  6. Step 6: Final answer
    x = 90,252.95

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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.