Home / 180,399.51-270,905.45-156,736.17

Finding the Fourth Proportional to 180,399.51, 270,905.45 and 156,736.17

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Solution

The fourth proportional to 180,399.51, 270,905.45 and 156,736.17 is: 235,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,399.51 : 270,905.45 = 156,736.17 : x
  2. Step 2: Convert to fraction form
    180,399.51/270,905.45 = 156,736.17/x
  3. Step 3: Cross multiply
    180,399.51x = 270,905.45 × 156,736.17
  4. Step 4: Simplify right side
    180,399.51x = 42,460,681,881.45
  5. Step 5: Solve for x
    x = 42,460,681,881.45/180,399.51
  6. Step 6: Final answer
    x = 235,370.27

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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.