Home / 89,496.40-134,235.36-30,330.54

Finding the Fourth Proportional to 89,496.40, 134,235.36 and 30,330.54

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Solution

The fourth proportional to 89,496.40, 134,235.36 and 30,330.54 is: 45,492.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,496.40 : 134,235.36 = 30,330.54 : x
  2. Step 2: Convert to fraction form
    89,496.40/134,235.36 = 30,330.54/x
  3. Step 3: Cross multiply
    89,496.40x = 134,235.36 × 30,330.54
  4. Step 4: Simplify right side
    89,496.40x = 4,071,430,955.89
  5. Step 5: Solve for x
    x = 4,071,430,955.89/89,496.40
  6. Step 6: Final answer
    x = 45,492.68

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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.