Home / 211,525.02-291,885.53-120,880.76

Finding the Fourth Proportional to 211,525.02, 291,885.53 and 120,880.76

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Solution

The fourth proportional to 211,525.02, 291,885.53 and 120,880.76 is: 166,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,525.02 : 291,885.53 = 120,880.76 : x
  2. Step 2: Convert to fraction form
    211,525.02/291,885.53 = 120,880.76/x
  3. Step 3: Cross multiply
    211,525.02x = 291,885.53 × 120,880.76
  4. Step 4: Simplify right side
    211,525.02x = 35,283,342,635.57
  5. Step 5: Solve for x
    x = 35,283,342,635.57/211,525.02
  6. Step 6: Final answer
    x = 166,804.58

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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.