Home / 109,126.15-150,592.58-61,379.53

Finding the Fourth Proportional to 109,126.15, 150,592.58 and 61,379.53

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Solution

The fourth proportional to 109,126.15, 150,592.58 and 61,379.53 is: 84,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,126.15 : 150,592.58 = 61,379.53 : x
  2. Step 2: Convert to fraction form
    109,126.15/150,592.58 = 61,379.53/x
  3. Step 3: Cross multiply
    109,126.15x = 150,592.58 × 61,379.53
  4. Step 4: Simplify right side
    109,126.15x = 9,243,301,474.99
  5. Step 5: Solve for x
    x = 9,243,301,474.99/109,126.15
  6. Step 6: Final answer
    x = 84,702.90

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1.5x scale

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.