Home / 112,519.32-155,292.96-64,772.25

Finding the Fourth Proportional to 112,519.32, 155,292.96 and 64,772.25

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Solution

The fourth proportional to 112,519.32, 155,292.96 and 64,772.25 is: 89,395.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,519.32 : 155,292.96 = 64,772.25 : x
  2. Step 2: Convert to fraction form
    112,519.32/155,292.96 = 64,772.25/x
  3. Step 3: Cross multiply
    112,519.32x = 155,292.96 × 64,772.25
  4. Step 4: Simplify right side
    112,519.32x = 10,058,674,428.36
  5. Step 5: Solve for x
    x = 10,058,674,428.36/112,519.32
  6. Step 6: Final answer
    x = 89,395.09

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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.