Home / 175,292.53-262,938.79-42,172.78

Finding the Fourth Proportional to 175,292.53, 262,938.79 and 42,172.78

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Solution

The fourth proportional to 175,292.53, 262,938.79 and 42,172.78 is: 63,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,292.53 : 262,938.79 = 42,172.78 : x
  2. Step 2: Convert to fraction form
    175,292.53/262,938.79 = 42,172.78/x
  3. Step 3: Cross multiply
    175,292.53x = 262,938.79 × 42,172.78
  4. Step 4: Simplify right side
    175,292.53x = 11,088,860,125.53
  5. Step 5: Solve for x
    x = 11,088,860,125.53/175,292.53
  6. Step 6: Final answer
    x = 63,259.17

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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.