Home / 185,028.60-255,340.38-104,459.40

Finding the Fourth Proportional to 185,028.60, 255,340.38 and 104,459.40

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Solution

The fourth proportional to 185,028.60, 255,340.38 and 104,459.40 is: 144,154.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,028.60 : 255,340.38 = 104,459.40 : x
  2. Step 2: Convert to fraction form
    185,028.60/255,340.38 = 104,459.40/x
  3. Step 3: Cross multiply
    185,028.60x = 255,340.38 × 104,459.40
  4. Step 4: Simplify right side
    185,028.60x = 26,672,702,890.57
  5. Step 5: Solve for x
    x = 26,672,702,890.57/185,028.60
  6. Step 6: Final answer
    x = 144,154.49

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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.