Home / 136,424.20-204,636.30-42,929.95

Finding the Fourth Proportional to 136,424.20, 204,636.30 and 42,929.95

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Solution

The fourth proportional to 136,424.20, 204,636.30 and 42,929.95 is: 64,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,424.20 : 204,636.30 = 42,929.95 : x
  2. Step 2: Convert to fraction form
    136,424.20/204,636.30 = 42,929.95/x
  3. Step 3: Cross multiply
    136,424.20x = 204,636.30 × 42,929.95
  4. Step 4: Simplify right side
    136,424.20x = 8,785,026,127.19
  5. Step 5: Solve for x
    x = 8,785,026,127.19/136,424.20
  6. Step 6: Final answer
    x = 64,394.93

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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.