Home / 289,795.06-434,655.63-112,180.54

Finding the Fourth Proportional to 289,795.06, 434,655.63 and 112,180.54

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Solution

The fourth proportional to 289,795.06, 434,655.63 and 112,180.54 is: 168,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,795.06 : 434,655.63 = 112,180.54 : x
  2. Step 2: Convert to fraction form
    289,795.06/434,655.63 = 112,180.54/x
  3. Step 3: Cross multiply
    289,795.06x = 434,655.63 × 112,180.54
  4. Step 4: Simplify right side
    289,795.06x = 48,759,903,287.44
  5. Step 5: Solve for x
    x = 48,759,903,287.44/289,795.06
  6. Step 6: Final answer
    x = 168,256.50

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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.