Home / 154,148.02-212,530.69-117,893.94

Finding the Fourth Proportional to 154,148.02, 212,530.69 and 117,893.94

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Solution

The fourth proportional to 154,148.02, 212,530.69 and 117,893.94 is: 162,545.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,148.02 : 212,530.69 = 117,893.94 : x
  2. Step 2: Convert to fraction form
    154,148.02/212,530.69 = 117,893.94/x
  3. Step 3: Cross multiply
    154,148.02x = 212,530.69 × 117,893.94
  4. Step 4: Simplify right side
    154,148.02x = 25,056,080,415.02
  5. Step 5: Solve for x
    x = 25,056,080,415.02/154,148.02
  6. Step 6: Final answer
    x = 162,545.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.