Home / 155,971.81-234,088.94-146,130.31

Finding the Fourth Proportional to 155,971.81, 234,088.94 and 146,130.31

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Solution

The fourth proportional to 155,971.81, 234,088.94 and 146,130.31 is: 219,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,971.81 : 234,088.94 = 146,130.31 : x
  2. Step 2: Convert to fraction form
    155,971.81/234,088.94 = 146,130.31/x
  3. Step 3: Cross multiply
    155,971.81x = 234,088.94 × 146,130.31
  4. Step 4: Simplify right side
    155,971.81x = 34,207,489,369.77
  5. Step 5: Solve for x
    x = 34,207,489,369.77/155,971.81
  6. Step 6: Final answer
    x = 219,318.41

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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.