Home / 185,019.95-255,313.28-104,455.44

Finding the Fourth Proportional to 185,019.95, 255,313.28 and 104,455.44

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Solution

The fourth proportional to 185,019.95, 255,313.28 and 104,455.44 is: 144,140.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,019.95 : 255,313.28 = 104,455.44 : x
  2. Step 2: Convert to fraction form
    185,019.95/255,313.28 = 104,455.44/x
  3. Step 3: Cross multiply
    185,019.95x = 255,313.28 × 104,455.44
  4. Step 4: Simplify right side
    185,019.95x = 26,668,861,261.38
  5. Step 5: Solve for x
    x = 26,668,861,261.38/185,019.95
  6. Step 6: Final answer
    x = 144,140.46

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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.