Home / 155,114.60-232,715.10-76,231.40

Finding the Fourth Proportional to 155,114.60, 232,715.10 and 76,231.40

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Solution

The fourth proportional to 155,114.60, 232,715.10 and 76,231.40 is: 114,368.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,114.60 : 232,715.10 = 76,231.40 : x
  2. Step 2: Convert to fraction form
    155,114.60/232,715.10 = 76,231.40/x
  3. Step 3: Cross multiply
    155,114.60x = 232,715.10 × 76,231.40
  4. Step 4: Simplify right side
    155,114.60x = 17,740,197,874.14
  5. Step 5: Solve for x
    x = 17,740,197,874.14/155,114.60
  6. Step 6: Final answer
    x = 114,368.33

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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.