Home / 136,237.88-204,389.63-42,743.63

Finding the Fourth Proportional to 136,237.88, 204,389.63 and 42,743.63

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Solution

The fourth proportional to 136,237.88, 204,389.63 and 42,743.63 is: 64,125.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,237.88 : 204,389.63 = 42,743.63 : x
  2. Step 2: Convert to fraction form
    136,237.88/204,389.63 = 42,743.63/x
  3. Step 3: Cross multiply
    136,237.88x = 204,389.63 × 42,743.63
  4. Step 4: Simplify right side
    136,237.88x = 8,736,353,484.89
  5. Step 5: Solve for x
    x = 8,736,353,484.89/136,237.88
  6. Step 6: Final answer
    x = 64,125.73

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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.