Home / 102,145.22-153,361.40-52,261.10

Finding the Fourth Proportional to 102,145.22, 153,361.40 and 52,261.10

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Solution

The fourth proportional to 102,145.22, 153,361.40 and 52,261.10 is: 78,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,145.22 : 153,361.40 = 52,261.10 : x
  2. Step 2: Convert to fraction form
    102,145.22/153,361.40 = 52,261.10/x
  3. Step 3: Cross multiply
    102,145.22x = 153,361.40 × 52,261.10
  4. Step 4: Simplify right side
    102,145.22x = 8,014,834,433.43
  5. Step 5: Solve for x
    x = 8,014,834,433.43/102,145.22
  6. Step 6: Final answer
    x = 78,465.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.