Home / 145,160.46-217,684.71-56,402.28

Finding the Fourth Proportional to 145,160.46, 217,684.71 and 56,402.28

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Solution

The fourth proportional to 145,160.46, 217,684.71 and 56,402.28 is: 84,581.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,160.46 : 217,684.71 = 56,402.28 : x
  2. Step 2: Convert to fraction form
    145,160.46/217,684.71 = 56,402.28/x
  3. Step 3: Cross multiply
    145,160.46x = 217,684.71 × 56,402.28
  4. Step 4: Simplify right side
    145,160.46x = 12,277,913,965.14
  5. Step 5: Solve for x
    x = 12,277,913,965.14/145,160.46
  6. Step 6: Final answer
    x = 84,581.67

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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.