Home / 180,320.60-248,820.75-103,864.56

Finding the Fourth Proportional to 180,320.60, 248,820.75 and 103,864.56

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Solution

The fourth proportional to 180,320.60, 248,820.75 and 103,864.56 is: 143,320.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,320.60 : 248,820.75 = 103,864.56 : x
  2. Step 2: Convert to fraction form
    180,320.60/248,820.75 = 103,864.56/x
  3. Step 3: Cross multiply
    180,320.60x = 248,820.75 × 103,864.56
  4. Step 4: Simplify right side
    180,320.60x = 25,843,657,717.62
  5. Step 5: Solve for x
    x = 25,843,657,717.62/180,320.60
  6. Step 6: Final answer
    x = 143,320.61

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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.