Home / 89,208.47-133,812.93-30,085.67

Finding the Fourth Proportional to 89,208.47, 133,812.93 and 30,085.67

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Solution

The fourth proportional to 89,208.47, 133,812.93 and 30,085.67 is: 45,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,208.47 : 133,812.93 = 30,085.67 : x
  2. Step 2: Convert to fraction form
    89,208.47/133,812.93 = 30,085.67/x
  3. Step 3: Cross multiply
    89,208.47x = 133,812.93 × 30,085.67
  4. Step 4: Simplify right side
    89,208.47x = 4,025,850,984.65
  5. Step 5: Solve for x
    x = 4,025,850,984.65/89,208.47
  6. Step 6: Final answer
    x = 45,128.58

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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.