Home / 117,479.06-162,118.53-63,764.18

Finding the Fourth Proportional to 117,479.06, 162,118.53 and 63,764.18

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Solution

The fourth proportional to 117,479.06, 162,118.53 and 63,764.18 is: 87,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,479.06 : 162,118.53 = 63,764.18 : x
  2. Step 2: Convert to fraction form
    117,479.06/162,118.53 = 63,764.18/x
  3. Step 3: Cross multiply
    117,479.06x = 162,118.53 × 63,764.18
  4. Step 4: Simplify right side
    117,479.06x = 10,337,355,128.26
  5. Step 5: Solve for x
    x = 10,337,355,128.26/117,479.06
  6. Step 6: Final answer
    x = 87,993.17

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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.