Home / 178,345.80-246,148.47-135,467.22

Finding the Fourth Proportional to 178,345.80, 246,148.47 and 135,467.22

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Solution

The fourth proportional to 178,345.80, 246,148.47 and 135,467.22 is: 186,968.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,345.80 : 246,148.47 = 135,467.22 : x
  2. Step 2: Convert to fraction form
    178,345.80/246,148.47 = 135,467.22/x
  3. Step 3: Cross multiply
    178,345.80x = 246,148.47 × 135,467.22
  4. Step 4: Simplify right side
    178,345.80x = 33,345,048,938.15
  5. Step 5: Solve for x
    x = 33,345,048,938.15/178,345.80
  6. Step 6: Final answer
    x = 186,968.51

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1.5x scale

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.