Home / 119,154.36-164,435.88-64,708.80

Finding the Fourth Proportional to 119,154.36, 164,435.88 and 64,708.80

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Solution

The fourth proportional to 119,154.36, 164,435.88 and 64,708.80 is: 89,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,154.36 : 164,435.88 = 64,708.80 : x
  2. Step 2: Convert to fraction form
    119,154.36/164,435.88 = 64,708.80/x
  3. Step 3: Cross multiply
    119,154.36x = 164,435.88 × 64,708.80
  4. Step 4: Simplify right side
    119,154.36x = 10,640,448,471.74
  5. Step 5: Solve for x
    x = 10,640,448,471.74/119,154.36
  6. Step 6: Final answer
    x = 89,299.70

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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.