Home / 559,697.67-839,546.28-138,973.55

Finding the Fourth Proportional to 559,697.67, 839,546.28 and 138,973.55

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Solution

The fourth proportional to 559,697.67, 839,546.28 and 138,973.55 is: 208,460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,697.67 : 839,546.28 = 138,973.55 : x
  2. Step 2: Convert to fraction form
    559,697.67/839,546.28 = 138,973.55/x
  3. Step 3: Cross multiply
    559,697.67x = 839,546.28 × 138,973.55
  4. Step 4: Simplify right side
    559,697.67x = 116,674,726,920.89
  5. Step 5: Solve for x
    x = 116,674,726,920.89/559,697.67
  6. Step 6: Final answer
    x = 208,460.27

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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.