Home / 89,238.70-133,713.33-47,116.54

Finding the Fourth Proportional to 89,238.70, 133,713.33 and 47,116.54

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Solution

The fourth proportional to 89,238.70, 133,713.33 and 47,116.54 is: 70,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,238.70 : 133,713.33 = 47,116.54 : x
  2. Step 2: Convert to fraction form
    89,238.70/133,713.33 = 47,116.54/x
  3. Step 3: Cross multiply
    89,238.70x = 133,713.33 × 47,116.54
  4. Step 4: Simplify right side
    89,238.70x = 6,300,109,461.48
  5. Step 5: Solve for x
    x = 6,300,109,461.48/89,238.70
  6. Step 6: Final answer
    x = 70,598.40

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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.