Home / 154,206.08-212,722.31-93,795.20

Finding the Fourth Proportional to 154,206.08, 212,722.31 and 93,795.20

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Solution

The fourth proportional to 154,206.08, 212,722.31 and 93,795.20 is: 129,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,206.08 : 212,722.31 = 93,795.20 : x
  2. Step 2: Convert to fraction form
    154,206.08/212,722.31 = 93,795.20/x
  3. Step 3: Cross multiply
    154,206.08x = 212,722.31 × 93,795.20
  4. Step 4: Simplify right side
    154,206.08x = 19,952,331,141.94
  5. Step 5: Solve for x
    x = 19,952,331,141.94/154,206.08
  6. Step 6: Final answer
    x = 129,387.45

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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.