Home / 145,142.32-217,727.22-56,402.67

Finding the Fourth Proportional to 145,142.32, 217,727.22 and 56,402.67

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Solution

The fourth proportional to 145,142.32, 217,727.22 and 56,402.67 is: 84,609.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,142.32 : 217,727.22 = 56,402.67 : x
  2. Step 2: Convert to fraction form
    145,142.32/217,727.22 = 56,402.67/x
  3. Step 3: Cross multiply
    145,142.32x = 217,727.22 × 56,402.67
  4. Step 4: Simplify right side
    145,142.32x = 12,280,396,539.68
  5. Step 5: Solve for x
    x = 12,280,396,539.68/145,142.32
  6. Step 6: Final answer
    x = 84,609.34

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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.