Home / 251,130.60-376,577.10-145,981.80

Finding the Fourth Proportional to 251,130.60, 376,577.10 and 145,981.80

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Solution

The fourth proportional to 251,130.60, 376,577.10 and 145,981.80 is: 218,903.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,130.60 : 376,577.10 = 145,981.80 : x
  2. Step 2: Convert to fraction form
    251,130.60/376,577.10 = 145,981.80/x
  3. Step 3: Cross multiply
    251,130.60x = 376,577.10 × 145,981.80
  4. Step 4: Simplify right side
    251,130.60x = 54,973,402,896.78
  5. Step 5: Solve for x
    x = 54,973,402,896.78/251,130.60
  6. Step 6: Final answer
    x = 218,903.64

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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.