Home / 114,830.35-158,465.93-66,438.87

Finding the Fourth Proportional to 114,830.35, 158,465.93 and 66,438.87

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Solution

The fourth proportional to 114,830.35, 158,465.93 and 66,438.87 is: 91,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,830.35 : 158,465.93 = 66,438.87 : x
  2. Step 2: Convert to fraction form
    114,830.35/158,465.93 = 66,438.87/x
  3. Step 3: Cross multiply
    114,830.35x = 158,465.93 × 66,438.87
  4. Step 4: Simplify right side
    114,830.35x = 10,528,297,322.70
  5. Step 5: Solve for x
    x = 10,528,297,322.70/114,830.35
  6. Step 6: Final answer
    x = 91,685.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.