Home / 147,328.42-203,307.80-90,063.64

Finding the Fourth Proportional to 147,328.42, 203,307.80 and 90,063.64

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Solution

The fourth proportional to 147,328.42, 203,307.80 and 90,063.64 is: 124,284.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,328.42 : 203,307.80 = 90,063.64 : x
  2. Step 2: Convert to fraction form
    147,328.42/203,307.80 = 90,063.64/x
  3. Step 3: Cross multiply
    147,328.42x = 203,307.80 × 90,063.64
  4. Step 4: Simplify right side
    147,328.42x = 18,310,640,508.39
  5. Step 5: Solve for x
    x = 18,310,640,508.39/147,328.42
  6. Step 6: Final answer
    x = 124,284.51

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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.