Home / 89,237.57-123,151.73-53,420.67

Finding the Fourth Proportional to 89,237.57, 123,151.73 and 53,420.67

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Solution

The fourth proportional to 89,237.57, 123,151.73 and 53,420.67 is: 73,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,237.57 : 123,151.73 = 53,420.67 : x
  2. Step 2: Convert to fraction form
    89,237.57/123,151.73 = 53,420.67/x
  3. Step 3: Cross multiply
    89,237.57x = 123,151.73 × 53,420.67
  4. Step 4: Simplify right side
    89,237.57x = 6,578,847,661.16
  5. Step 5: Solve for x
    x = 6,578,847,661.16/89,237.57
  6. Step 6: Final answer
    x = 73,722.85

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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.