Home / 146,820.32-202,615.80-83,157.20

Finding the Fourth Proportional to 146,820.32, 202,615.80 and 83,157.20

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Solution

The fourth proportional to 146,820.32, 202,615.80 and 83,157.20 is: 114,759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,820.32 : 202,615.80 = 83,157.20 : x
  2. Step 2: Convert to fraction form
    146,820.32/202,615.80 = 83,157.20/x
  3. Step 3: Cross multiply
    146,820.32x = 202,615.80 × 83,157.20
  4. Step 4: Simplify right side
    146,820.32x = 16,848,962,603.76
  5. Step 5: Solve for x
    x = 16,848,962,603.76/146,820.32
  6. Step 6: Final answer
    x = 114,759.06

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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.