Home / 145,023.41-217,614.40-56,280.42

Finding the Fourth Proportional to 145,023.41, 217,614.40 and 56,280.42

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Solution

The fourth proportional to 145,023.41, 217,614.40 and 56,280.42 is: 84,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,023.41 : 217,614.40 = 56,280.42 : x
  2. Step 2: Convert to fraction form
    145,023.41/217,614.40 = 56,280.42/x
  3. Step 3: Cross multiply
    145,023.41x = 217,614.40 × 56,280.42
  4. Step 4: Simplify right side
    145,023.41x = 12,247,429,689.35
  5. Step 5: Solve for x
    x = 12,247,429,689.35/145,023.41
  6. Step 6: Final answer
    x = 84,451.40

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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.