Home / 145,258.29-217,881.50-40,074.57

Finding the Fourth Proportional to 145,258.29, 217,881.50 and 40,074.57

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Solution

The fourth proportional to 145,258.29, 217,881.50 and 40,074.57 is: 60,110.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,258.29 : 217,881.50 = 40,074.57 : x
  2. Step 2: Convert to fraction form
    145,258.29/217,881.50 = 40,074.57/x
  3. Step 3: Cross multiply
    145,258.29x = 217,881.50 × 40,074.57
  4. Step 4: Simplify right side
    145,258.29x = 8,731,507,223.08
  5. Step 5: Solve for x
    x = 8,731,507,223.08/145,258.29
  6. Step 6: Final answer
    x = 60,110.22

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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.