Home / 144,236.77-199,045.64-79,710.35

Finding the Fourth Proportional to 144,236.77, 199,045.64 and 79,710.35

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Solution

The fourth proportional to 144,236.77, 199,045.64 and 79,710.35 is: 109,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,236.77 : 199,045.64 = 79,710.35 : x
  2. Step 2: Convert to fraction form
    144,236.77/199,045.64 = 79,710.35/x
  3. Step 3: Cross multiply
    144,236.77x = 199,045.64 × 79,710.35
  4. Step 4: Simplify right side
    144,236.77x = 15,865,996,834.42
  5. Step 5: Solve for x
    x = 15,865,996,834.42/144,236.77
  6. Step 6: Final answer
    x = 109,999.67

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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.