Home / 102,623.60-153,935.40-88,799.60

Finding the Fourth Proportional to 102,623.60, 153,935.40 and 88,799.60

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Solution

The fourth proportional to 102,623.60, 153,935.40 and 88,799.60 is: 133,199.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,623.60 : 153,935.40 = 88,799.60 : x
  2. Step 2: Convert to fraction form
    102,623.60/153,935.40 = 88,799.60/x
  3. Step 3: Cross multiply
    102,623.60x = 153,935.40 × 88,799.60
  4. Step 4: Simplify right side
    102,623.60x = 13,669,401,945.84
  5. Step 5: Solve for x
    x = 13,669,401,945.84/102,623.60
  6. Step 6: Final answer
    x = 133,199.40

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1.5x scale

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.