Home / 145,519.70-218,279.60-65,464.15

Finding the Fourth Proportional to 145,519.70, 218,279.60 and 65,464.15

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Solution

The fourth proportional to 145,519.70, 218,279.60 and 65,464.15 is: 98,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,519.70 : 218,279.60 = 65,464.15 : x
  2. Step 2: Convert to fraction form
    145,519.70/218,279.60 = 65,464.15/x
  3. Step 3: Cross multiply
    145,519.70x = 218,279.60 × 65,464.15
  4. Step 4: Simplify right side
    145,519.70x = 14,289,488,667.36
  5. Step 5: Solve for x
    x = 14,289,488,667.36/145,519.70
  6. Step 6: Final answer
    x = 98,196.25

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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.