Home / 145,361.36-200,678.28-88,010.96

Finding the Fourth Proportional to 145,361.36, 200,678.28 and 88,010.96

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Solution

The fourth proportional to 145,361.36, 200,678.28 and 88,010.96 is: 121,503.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,361.36 : 200,678.28 = 88,010.96 : x
  2. Step 2: Convert to fraction form
    145,361.36/200,678.28 = 88,010.96/x
  3. Step 3: Cross multiply
    145,361.36x = 200,678.28 × 88,010.96
  4. Step 4: Simplify right side
    145,361.36x = 17,661,888,073.95
  5. Step 5: Solve for x
    x = 17,661,888,073.95/145,361.36
  6. Step 6: Final answer
    x = 121,503.32

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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.