Home / 145,391.64-200,637.86-88,803.02

Finding the Fourth Proportional to 145,391.64, 200,637.86 and 88,803.02

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Solution

The fourth proportional to 145,391.64, 200,637.86 and 88,803.02 is: 122,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,391.64 : 200,637.86 = 88,803.02 : x
  2. Step 2: Convert to fraction form
    145,391.64/200,637.86 = 88,803.02/x
  3. Step 3: Cross multiply
    145,391.64x = 200,637.86 × 88,803.02
  4. Step 4: Simplify right side
    145,391.64x = 17,817,246,447.13
  5. Step 5: Solve for x
    x = 17,817,246,447.13/145,391.64
  6. Step 6: Final answer
    x = 122,546.57

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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.