Home / 133,900.28-184,779.10-74,963.02

Finding the Fourth Proportional to 133,900.28, 184,779.10 and 74,963.02

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Solution

The fourth proportional to 133,900.28, 184,779.10 and 74,963.02 is: 103,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,900.28 : 184,779.10 = 74,963.02 : x
  2. Step 2: Convert to fraction form
    133,900.28/184,779.10 = 74,963.02/x
  3. Step 3: Cross multiply
    133,900.28x = 184,779.10 × 74,963.02
  4. Step 4: Simplify right side
    133,900.28x = 13,851,600,018.24
  5. Step 5: Solve for x
    x = 13,851,600,018.24/133,900.28
  6. Step 6: Final answer
    x = 103,447.14

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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.