Home / 130,458.86-195,763.53-70,487.49

Finding the Fourth Proportional to 130,458.86, 195,763.53 and 70,487.49

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Solution

The fourth proportional to 130,458.86, 195,763.53 and 70,487.49 is: 105,771.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,458.86 : 195,763.53 = 70,487.49 : x
  2. Step 2: Convert to fraction form
    130,458.86/195,763.53 = 70,487.49/x
  3. Step 3: Cross multiply
    130,458.86x = 195,763.53 × 70,487.49
  4. Step 4: Simplify right side
    130,458.86x = 13,798,879,863.24
  5. Step 5: Solve for x
    x = 13,798,879,863.24/130,458.86
  6. Step 6: Final answer
    x = 105,771.89

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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.