Home / 145,352.77-200,648.34-136,273.07

Finding the Fourth Proportional to 145,352.77, 200,648.34 and 136,273.07

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Solution

The fourth proportional to 145,352.77, 200,648.34 and 136,273.07 is: 188,114.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,352.77 : 200,648.34 = 136,273.07 : x
  2. Step 2: Convert to fraction form
    145,352.77/200,648.34 = 136,273.07/x
  3. Step 3: Cross multiply
    145,352.77x = 200,648.34 × 136,273.07
  4. Step 4: Simplify right side
    145,352.77x = 27,342,965,783.82
  5. Step 5: Solve for x
    x = 27,342,965,783.82/145,352.77
  6. Step 6: Final answer
    x = 188,114.52

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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.