Home / 89,389.41-134,133.36-54,353.67

Finding the Fourth Proportional to 89,389.41, 134,133.36 and 54,353.67

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Solution

The fourth proportional to 89,389.41, 134,133.36 and 54,353.67 is: 81,560.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,389.41 : 134,133.36 = 54,353.67 : x
  2. Step 2: Convert to fraction form
    89,389.41/134,133.36 = 54,353.67/x
  3. Step 3: Cross multiply
    89,389.41x = 134,133.36 × 54,353.67
  4. Step 4: Simplify right side
    89,389.41x = 7,290,640,385.43
  5. Step 5: Solve for x
    x = 7,290,640,385.43/89,389.41
  6. Step 6: Final answer
    x = 81,560.45

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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.