Home / 130,265.93-195,492.22-55,438.65

Finding the Fourth Proportional to 130,265.93, 195,492.22 and 55,438.65

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Solution

The fourth proportional to 130,265.93, 195,492.22 and 55,438.65 is: 83,197.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,265.93 : 195,492.22 = 55,438.65 : x
  2. Step 2: Convert to fraction form
    130,265.93/195,492.22 = 55,438.65/x
  3. Step 3: Cross multiply
    130,265.93x = 195,492.22 × 55,438.65
  4. Step 4: Simplify right side
    130,265.93x = 10,837,824,623.71
  5. Step 5: Solve for x
    x = 10,837,824,623.71/130,265.93
  6. Step 6: Final answer
    x = 83,197.69

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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.