Home / 137,353.64-189,526.37-80,002.40

Finding the Fourth Proportional to 137,353.64, 189,526.37 and 80,002.40

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Solution

The fourth proportional to 137,353.64, 189,526.37 and 80,002.40 is: 110,390.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,353.64 : 189,526.37 = 80,002.40 : x
  2. Step 2: Convert to fraction form
    137,353.64/189,526.37 = 80,002.40/x
  3. Step 3: Cross multiply
    137,353.64x = 189,526.37 × 80,002.40
  4. Step 4: Simplify right side
    137,353.64x = 15,162,563,115.64
  5. Step 5: Solve for x
    x = 15,162,563,115.64/137,353.64
  6. Step 6: Final answer
    x = 110,390.69

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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.