Home / 251,428.01-376,892.89-118,069.55

Finding the Fourth Proportional to 251,428.01, 376,892.89 and 118,069.55

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Solution

The fourth proportional to 251,428.01, 376,892.89 and 118,069.55 is: 176,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,428.01 : 376,892.89 = 118,069.55 : x
  2. Step 2: Convert to fraction form
    251,428.01/376,892.89 = 118,069.55/x
  3. Step 3: Cross multiply
    251,428.01x = 376,892.89 × 118,069.55
  4. Step 4: Simplify right side
    251,428.01x = 44,499,573,920.50
  5. Step 5: Solve for x
    x = 44,499,573,920.50/251,428.01
  6. Step 6: Final answer
    x = 176,987.34

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1.5x scale

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.