Home / 130,438.67-195,618.81-50,462.51

Finding the Fourth Proportional to 130,438.67, 195,618.81 and 50,462.51

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Solution

The fourth proportional to 130,438.67, 195,618.81 and 50,462.51 is: 75,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,438.67 : 195,618.81 = 50,462.51 : x
  2. Step 2: Convert to fraction form
    130,438.67/195,618.81 = 50,462.51/x
  3. Step 3: Cross multiply
    130,438.67x = 195,618.81 × 50,462.51
  4. Step 4: Simplify right side
    130,438.67x = 9,871,416,155.81
  5. Step 5: Solve for x
    x = 9,871,416,155.81/130,438.67
  6. Step 6: Final answer
    x = 75,678.60

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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.