Home / 180,202.51-248,411.77-154,585.45

Finding the Fourth Proportional to 180,202.51, 248,411.77 and 154,585.45

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Solution

The fourth proportional to 180,202.51, 248,411.77 and 154,585.45 is: 213,098.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,202.51 : 248,411.77 = 154,585.45 : x
  2. Step 2: Convert to fraction form
    180,202.51/248,411.77 = 154,585.45/x
  3. Step 3: Cross multiply
    180,202.51x = 248,411.77 × 154,585.45
  4. Step 4: Simplify right side
    180,202.51x = 38,400,845,250.75
  5. Step 5: Solve for x
    x = 38,400,845,250.75/180,202.51
  6. Step 6: Final answer
    x = 213,098.28

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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.