Home / 134,025.12-184,962.96-74,409.12

Finding the Fourth Proportional to 134,025.12, 184,962.96 and 74,409.12

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Solution

The fourth proportional to 134,025.12, 184,962.96 and 74,409.12 is: 102,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,025.12 : 184,962.96 = 74,409.12 : x
  2. Step 2: Convert to fraction form
    134,025.12/184,962.96 = 74,409.12/x
  3. Step 3: Cross multiply
    134,025.12x = 184,962.96 × 74,409.12
  4. Step 4: Simplify right side
    134,025.12x = 13,762,931,086.20
  5. Step 5: Solve for x
    x = 13,762,931,086.20/134,025.12
  6. Step 6: Final answer
    x = 102,689.19

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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.