Home / 106,774.74-160,453.10-56,890.49

Finding the Fourth Proportional to 106,774.74, 160,453.10 and 56,890.49

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Solution

The fourth proportional to 106,774.74, 160,453.10 and 56,890.49 is: 85,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,774.74 : 160,453.10 = 56,890.49 : x
  2. Step 2: Convert to fraction form
    106,774.74/160,453.10 = 56,890.49/x
  3. Step 3: Cross multiply
    106,774.74x = 160,453.10 × 56,890.49
  4. Step 4: Simplify right side
    106,774.74x = 9,128,254,820.98
  5. Step 5: Solve for x
    x = 9,128,254,820.98/106,774.74
  6. Step 6: Final answer
    x = 85,490.77

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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.