Home / 122,869.29-184,303.80-38,636.84

Finding the Fourth Proportional to 122,869.29, 184,303.80 and 38,636.84

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Solution

The fourth proportional to 122,869.29, 184,303.80 and 38,636.84 is: 57,955.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,869.29 : 184,303.80 = 38,636.84 : x
  2. Step 2: Convert to fraction form
    122,869.29/184,303.80 = 38,636.84/x
  3. Step 3: Cross multiply
    122,869.29x = 184,303.80 × 38,636.84
  4. Step 4: Simplify right side
    122,869.29x = 7,120,916,431.99
  5. Step 5: Solve for x
    x = 7,120,916,431.99/122,869.29
  6. Step 6: Final answer
    x = 57,955.22

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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.