Home / 154,166.68-212,784.30-93,724.50

Finding the Fourth Proportional to 154,166.68, 212,784.30 and 93,724.50

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Solution

The fourth proportional to 154,166.68, 212,784.30 and 93,724.50 is: 129,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,166.68 : 212,784.30 = 93,724.50 : x
  2. Step 2: Convert to fraction form
    154,166.68/212,784.30 = 93,724.50/x
  3. Step 3: Cross multiply
    154,166.68x = 212,784.30 × 93,724.50
  4. Step 4: Simplify right side
    154,166.68x = 19,943,102,125.35
  5. Step 5: Solve for x
    x = 19,943,102,125.35/154,166.68
  6. Step 6: Final answer
    x = 129,360.65

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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.