Home / 145,743.27-218,614.90-56,934.50

Finding the Fourth Proportional to 145,743.27, 218,614.90 and 56,934.50

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Solution

The fourth proportional to 145,743.27, 218,614.90 and 56,934.50 is: 85,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,743.27 : 218,614.90 = 56,934.50 : x
  2. Step 2: Convert to fraction form
    145,743.27/218,614.90 = 56,934.50/x
  3. Step 3: Cross multiply
    145,743.27x = 218,614.90 × 56,934.50
  4. Step 4: Simplify right side
    145,743.27x = 12,446,728,895.39
  5. Step 5: Solve for x
    x = 12,446,728,895.39/145,743.27
  6. Step 6: Final answer
    x = 85,401.74

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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.