Home / 148,199.08-204,083.88-128,809.48

Finding the Fourth Proportional to 148,199.08, 204,083.88 and 128,809.48

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Solution

The fourth proportional to 148,199.08, 204,083.88 and 128,809.48 is: 177,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,199.08 : 204,083.88 = 128,809.48 : x
  2. Step 2: Convert to fraction form
    148,199.08/204,083.88 = 128,809.48/x
  3. Step 3: Cross multiply
    148,199.08x = 204,083.88 × 128,809.48
  4. Step 4: Simplify right side
    148,199.08x = 26,287,938,459.18
  5. Step 5: Solve for x
    x = 26,287,938,459.18/148,199.08
  6. Step 6: Final answer
    x = 177,382.60

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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.