Home / 177,621.10-245,105.36-101,148

Finding the Fourth Proportional to 177,621.10, 245,105.36 and 101,148

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Solution

The fourth proportional to 177,621.10, 245,105.36 and 101,148 is: 139,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,621.10 : 245,105.36 = 101,148 : x
  2. Step 2: Convert to fraction form
    177,621.10/245,105.36 = 101,148/x
  3. Step 3: Cross multiply
    177,621.10x = 245,105.36 × 101,148
  4. Step 4: Simplify right side
    177,621.10x = 24,791,916,953.28
  5. Step 5: Solve for x
    x = 24,791,916,953.28/177,621.10
  6. Step 6: Final answer
    x = 139,577.54

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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.