Home / 178,528.16-246,144.70-130,698.47

Finding the Fourth Proportional to 178,528.16, 246,144.70 and 130,698.47

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Solution

The fourth proportional to 178,528.16, 246,144.70 and 130,698.47 is: 180,199.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,528.16 : 246,144.70 = 130,698.47 : x
  2. Step 2: Convert to fraction form
    178,528.16/246,144.70 = 130,698.47/x
  3. Step 3: Cross multiply
    178,528.16x = 246,144.70 × 130,698.47
  4. Step 4: Simplify right side
    178,528.16x = 32,170,735,035.12
  5. Step 5: Solve for x
    x = 32,170,735,035.12/178,528.16
  6. Step 6: Final answer
    x = 180,199.78

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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.