Home / 155,027.40-213,880.41-97,651.32

Finding the Fourth Proportional to 155,027.40, 213,880.41 and 97,651.32

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Solution

The fourth proportional to 155,027.40, 213,880.41 and 97,651.32 is: 134,722.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,027.40 : 213,880.41 = 97,651.32 : x
  2. Step 2: Convert to fraction form
    155,027.40/213,880.41 = 97,651.32/x
  3. Step 3: Cross multiply
    155,027.40x = 213,880.41 × 97,651.32
  4. Step 4: Simplify right side
    155,027.40x = 20,885,704,358.64
  5. Step 5: Solve for x
    x = 20,885,704,358.64/155,027.40
  6. Step 6: Final answer
    x = 134,722.66

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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.