Home / 163,223.42-225,255.35-90,626.32

Finding the Fourth Proportional to 163,223.42, 225,255.35 and 90,626.32

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Solution

The fourth proportional to 163,223.42, 225,255.35 and 90,626.32 is: 125,068.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,223.42 : 225,255.35 = 90,626.32 : x
  2. Step 2: Convert to fraction form
    163,223.42/225,255.35 = 90,626.32/x
  3. Step 3: Cross multiply
    163,223.42x = 225,255.35 × 90,626.32
  4. Step 4: Simplify right side
    163,223.42x = 20,414,061,851.40
  5. Step 5: Solve for x
    x = 20,414,061,851.40/163,223.42
  6. Step 6: Final answer
    x = 125,068.22

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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.