Home / 149,372.04-205,849.98-106,856.76

Finding the Fourth Proportional to 149,372.04, 205,849.98 and 106,856.76

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Solution

The fourth proportional to 149,372.04, 205,849.98 and 106,856.76 is: 147,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,372.04 : 205,849.98 = 106,856.76 : x
  2. Step 2: Convert to fraction form
    149,372.04/205,849.98 = 106,856.76/x
  3. Step 3: Cross multiply
    149,372.04x = 205,849.98 × 106,856.76
  4. Step 4: Simplify right side
    149,372.04x = 21,996,461,908.86
  5. Step 5: Solve for x
    x = 21,996,461,908.86/149,372.04
  6. Step 6: Final answer
    x = 147,259.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.