Home / 181,478.16-250,428.06-100,903.59

Finding the Fourth Proportional to 181,478.16, 250,428.06 and 100,903.59

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Solution

The fourth proportional to 181,478.16, 250,428.06 and 100,903.59 is: 139,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,478.16 : 250,428.06 = 100,903.59 : x
  2. Step 2: Convert to fraction form
    181,478.16/250,428.06 = 100,903.59/x
  3. Step 3: Cross multiply
    181,478.16x = 250,428.06 × 100,903.59
  4. Step 4: Simplify right side
    181,478.16x = 25,269,090,290.74
  5. Step 5: Solve for x
    x = 25,269,090,290.74/181,478.16
  6. Step 6: Final answer
    x = 139,240.39

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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.