Home / 96,658.09-133,430.01-90,605.56

Finding the Fourth Proportional to 96,658.09, 133,430.01 and 90,605.56

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Solution

The fourth proportional to 96,658.09, 133,430.01 and 90,605.56 is: 125,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,658.09 : 133,430.01 = 90,605.56 : x
  2. Step 2: Convert to fraction form
    96,658.09/133,430.01 = 90,605.56/x
  3. Step 3: Cross multiply
    96,658.09x = 133,430.01 × 90,605.56
  4. Step 4: Simplify right side
    96,658.09x = 12,089,500,776.86
  5. Step 5: Solve for x
    x = 12,089,500,776.86/96,658.09
  6. Step 6: Final answer
    x = 125,074.90

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1.5x scale

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.