Home / 89,235.23-133,971.63-51,822.15

Finding the Fourth Proportional to 89,235.23, 133,971.63 and 51,822.15

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Solution

The fourth proportional to 89,235.23, 133,971.63 and 51,822.15 is: 77,802.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235.23 : 133,971.63 = 51,822.15 : x
  2. Step 2: Convert to fraction form
    89,235.23/133,971.63 = 51,822.15/x
  3. Step 3: Cross multiply
    89,235.23x = 133,971.63 × 51,822.15
  4. Step 4: Simplify right side
    89,235.23x = 6,942,697,905.60
  5. Step 5: Solve for x
    x = 6,942,697,905.60/89,235.23
  6. Step 6: Final answer
    x = 77,802.21

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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.