Home / 154,231.02-212,849.82-93,790.44

Finding the Fourth Proportional to 154,231.02, 212,849.82 and 93,790.44

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Solution

The fourth proportional to 154,231.02, 212,849.82 and 93,790.44 is: 129,437.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,231.02 : 212,849.82 = 93,790.44 : x
  2. Step 2: Convert to fraction form
    154,231.02/212,849.82 = 93,790.44/x
  3. Step 3: Cross multiply
    154,231.02x = 212,849.82 × 93,790.44
  4. Step 4: Simplify right side
    154,231.02x = 19,963,278,271.72
  5. Step 5: Solve for x
    x = 19,963,278,271.72/154,231.02
  6. Step 6: Final answer
    x = 129,437.50

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1.5x scale

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.