Home / 133,070.10-199,313.55-70,667.70

Finding the Fourth Proportional to 133,070.10, 199,313.55 and 70,667.70

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Solution

The fourth proportional to 133,070.10, 199,313.55 and 70,667.70 is: 105,846.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070.10 : 199,313.55 = 70,667.70 : x
  2. Step 2: Convert to fraction form
    133,070.10/199,313.55 = 70,667.70/x
  3. Step 3: Cross multiply
    133,070.10x = 199,313.55 × 70,667.70
  4. Step 4: Simplify right side
    133,070.10x = 14,085,030,157.34
  5. Step 5: Solve for x
    x = 14,085,030,157.34/133,070.10
  6. Step 6: Final answer
    x = 105,846.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.