Home / 224,688.36-310,129.70-139,757.16

Finding the Fourth Proportional to 224,688.36, 310,129.70 and 139,757.16

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Solution

The fourth proportional to 224,688.36, 310,129.70 and 139,757.16 is: 192,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,688.36 : 310,129.70 = 139,757.16 : x
  2. Step 2: Convert to fraction form
    224,688.36/310,129.70 = 139,757.16/x
  3. Step 3: Cross multiply
    224,688.36x = 310,129.70 × 139,757.16
  4. Step 4: Simplify right side
    224,688.36x = 43,342,846,103.65
  5. Step 5: Solve for x
    x = 43,342,846,103.65/224,688.36
  6. Step 6: Final answer
    x = 192,902.05

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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.