Home / 136,158.63-203,888.03-83,408.19

Finding the Fourth Proportional to 136,158.63, 203,888.03 and 83,408.19

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Solution

The fourth proportional to 136,158.63, 203,888.03 and 83,408.19 is: 124,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,158.63 : 203,888.03 = 83,408.19 : x
  2. Step 2: Convert to fraction form
    136,158.63/203,888.03 = 83,408.19/x
  3. Step 3: Cross multiply
    136,158.63x = 203,888.03 × 83,408.19
  4. Step 4: Simplify right side
    136,158.63x = 17,005,931,127.92
  5. Step 5: Solve for x
    x = 17,005,931,127.92/136,158.63
  6. Step 6: Final answer
    x = 124,897.93

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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.