Home / 197,146.60-295,655.10-72,471.40

Finding the Fourth Proportional to 197,146.60, 295,655.10 and 72,471.40

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Solution

The fourth proportional to 197,146.60, 295,655.10 and 72,471.40 is: 108,683.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,146.60 : 295,655.10 = 72,471.40 : x
  2. Step 2: Convert to fraction form
    197,146.60/295,655.10 = 72,471.40/x
  3. Step 3: Cross multiply
    197,146.60x = 295,655.10 × 72,471.40
  4. Step 4: Simplify right side
    197,146.60x = 21,426,539,014.14
  5. Step 5: Solve for x
    x = 21,426,539,014.14/197,146.60
  6. Step 6: Final answer
    x = 108,683.28

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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.