Home / 180,205.12-248,661.36-99,621.76

Finding the Fourth Proportional to 180,205.12, 248,661.36 and 99,621.76

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Solution

The fourth proportional to 180,205.12, 248,661.36 and 99,621.76 is: 137,466.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,205.12 : 248,661.36 = 99,621.76 : x
  2. Step 2: Convert to fraction form
    180,205.12/248,661.36 = 99,621.76/x
  3. Step 3: Cross multiply
    180,205.12x = 248,661.36 × 99,621.76
  4. Step 4: Simplify right side
    180,205.12x = 24,772,082,327.19
  5. Step 5: Solve for x
    x = 24,772,082,327.19/180,205.12
  6. Step 6: Final answer
    x = 137,466.03

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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.