Home / 136,182.96-204,307.23-42,688.71

Finding the Fourth Proportional to 136,182.96, 204,307.23 and 42,688.71

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Solution

The fourth proportional to 136,182.96, 204,307.23 and 42,688.71 is: 64,043.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,182.96 : 204,307.23 = 42,688.71 : x
  2. Step 2: Convert to fraction form
    136,182.96/204,307.23 = 42,688.71/x
  3. Step 3: Cross multiply
    136,182.96x = 204,307.23 × 42,688.71
  4. Step 4: Simplify right side
    136,182.96x = 8,721,612,092.37
  5. Step 5: Solve for x
    x = 8,721,612,092.37/136,182.96
  6. Step 6: Final answer
    x = 64,043.34

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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.