Home / 180,191.02-248,661.93-99,620.56

Finding the Fourth Proportional to 180,191.02, 248,661.93 and 99,620.56

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Solution

The fourth proportional to 180,191.02, 248,661.93 and 99,620.56 is: 137,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,191.02 : 248,661.93 = 99,620.56 : x
  2. Step 2: Convert to fraction form
    180,191.02/248,661.93 = 99,620.56/x
  3. Step 3: Cross multiply
    180,191.02x = 248,661.93 × 99,620.56
  4. Step 4: Simplify right side
    180,191.02x = 24,771,840,717.28
  5. Step 5: Solve for x
    x = 24,771,840,717.28/180,191.02
  6. Step 6: Final answer
    x = 137,475.45

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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.