Home / 145,260.20-217,967.70-56,516.60

Finding the Fourth Proportional to 145,260.20, 217,967.70 and 56,516.60

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Solution

The fourth proportional to 145,260.20, 217,967.70 and 56,516.60 is: 84,805.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,260.20 : 217,967.70 = 56,516.60 : x
  2. Step 2: Convert to fraction form
    145,260.20/217,967.70 = 56,516.60/x
  3. Step 3: Cross multiply
    145,260.20x = 217,967.70 × 56,516.60
  4. Step 4: Simplify right side
    145,260.20x = 12,318,793,313.82
  5. Step 5: Solve for x
    x = 12,318,793,313.82/145,260.20
  6. Step 6: Final answer
    x = 84,805.01

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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.