Home / 96,657.09-133,428.63-90,604.56

Finding the Fourth Proportional to 96,657.09, 133,428.63 and 90,604.56

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Solution

The fourth proportional to 96,657.09, 133,428.63 and 90,604.56 is: 125,073.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,657.09 : 133,428.63 = 90,604.56 : x
  2. Step 2: Convert to fraction form
    96,657.09/133,428.63 = 90,604.56/x
  3. Step 3: Cross multiply
    96,657.09x = 133,428.63 × 90,604.56
  4. Step 4: Simplify right side
    96,657.09x = 12,089,242,312.55
  5. Step 5: Solve for x
    x = 12,089,242,312.55/96,657.09
  6. Step 6: Final answer
    x = 125,073.52

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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.