Home / 250,152.48-345,208.00-135,428.19

Finding the Fourth Proportional to 250,152.48, 345,208.00 and 135,428.19

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Solution

The fourth proportional to 250,152.48, 345,208.00 and 135,428.19 is: 186,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,152.48 : 345,208.00 = 135,428.19 : x
  2. Step 2: Convert to fraction form
    250,152.48/345,208.00 = 135,428.19/x
  3. Step 3: Cross multiply
    250,152.48x = 345,208.00 × 135,428.19
  4. Step 4: Simplify right side
    250,152.48x = 46,750,895,071.59
  5. Step 5: Solve for x
    x = 46,750,895,071.59/250,152.48
  6. Step 6: Final answer
    x = 186,889.59

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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.