Home / 145,436.36-200,717.34-88,885.40

Finding the Fourth Proportional to 145,436.36, 200,717.34 and 88,885.40

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Solution

The fourth proportional to 145,436.36, 200,717.34 and 88,885.40 is: 122,671.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,436.36 : 200,717.34 = 88,885.40 : x
  2. Step 2: Convert to fraction form
    145,436.36/200,717.34 = 88,885.40/x
  3. Step 3: Cross multiply
    145,436.36x = 200,717.34 × 88,885.40
  4. Step 4: Simplify right side
    145,436.36x = 17,840,841,052.84
  5. Step 5: Solve for x
    x = 17,840,841,052.84/145,436.36
  6. Step 6: Final answer
    x = 122,671.12

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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.