Home / 130,199.04-195,312.96-41,421.42

Finding the Fourth Proportional to 130,199.04, 195,312.96 and 41,421.42

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Solution

The fourth proportional to 130,199.04, 195,312.96 and 41,421.42 is: 62,136.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,199.04 : 195,312.96 = 41,421.42 : x
  2. Step 2: Convert to fraction form
    130,199.04/195,312.96 = 41,421.42/x
  3. Step 3: Cross multiply
    130,199.04x = 195,312.96 × 41,421.42
  4. Step 4: Simplify right side
    130,199.04x = 8,090,140,147.60
  5. Step 5: Solve for x
    x = 8,090,140,147.60/130,199.04
  6. Step 6: Final answer
    x = 62,136.71

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1.5x scale

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.