Home / 118,422.40-163,418.04-64,709.26

Finding the Fourth Proportional to 118,422.40, 163,418.04 and 64,709.26

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Solution

The fourth proportional to 118,422.40, 163,418.04 and 64,709.26 is: 89,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,422.40 : 163,418.04 = 64,709.26 : x
  2. Step 2: Convert to fraction form
    118,422.40/163,418.04 = 64,709.26/x
  3. Step 3: Cross multiply
    118,422.40x = 163,418.04 × 64,709.26
  4. Step 4: Simplify right side
    118,422.40x = 10,574,660,439.05
  5. Step 5: Solve for x
    x = 10,574,660,439.05/118,422.40
  6. Step 6: Final answer
    x = 89,296.12

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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.