Home / 180,212.37-248,686.80-98,542.55

Finding the Fourth Proportional to 180,212.37, 248,686.80 and 98,542.55

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Solution

The fourth proportional to 180,212.37, 248,686.80 and 98,542.55 is: 135,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,212.37 : 248,686.80 = 98,542.55 : x
  2. Step 2: Convert to fraction form
    180,212.37/248,686.80 = 98,542.55/x
  3. Step 3: Cross multiply
    180,212.37x = 248,686.80 × 98,542.55
  4. Step 4: Simplify right side
    180,212.37x = 24,506,230,179.91
  5. Step 5: Solve for x
    x = 24,506,230,179.91/180,212.37
  6. Step 6: Final answer
    x = 135,985.28

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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.