Home / 97,918.40-146,877.60-86,837.60

Finding the Fourth Proportional to 97,918.40, 146,877.60 and 86,837.60

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Solution

The fourth proportional to 97,918.40, 146,877.60 and 86,837.60 is: 130,256.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,918.40 : 146,877.60 = 86,837.60 : x
  2. Step 2: Convert to fraction form
    97,918.40/146,877.60 = 86,837.60/x
  3. Step 3: Cross multiply
    97,918.40x = 146,877.60 × 86,837.60
  4. Step 4: Simplify right side
    97,918.40x = 12,754,498,277.76
  5. Step 5: Solve for x
    x = 12,754,498,277.76/97,918.40
  6. Step 6: Final answer
    x = 130,256.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.