Home / 185,146.57-255,501.75-100,263.61

Finding the Fourth Proportional to 185,146.57, 255,501.75 and 100,263.61

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Solution

The fourth proportional to 185,146.57, 255,501.75 and 100,263.61 is: 138,363.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,146.57 : 255,501.75 = 100,263.61 : x
  2. Step 2: Convert to fraction form
    185,146.57/255,501.75 = 100,263.61/x
  3. Step 3: Cross multiply
    185,146.57x = 255,501.75 × 100,263.61
  4. Step 4: Simplify right side
    185,146.57x = 25,617,526,538.81
  5. Step 5: Solve for x
    x = 25,617,526,538.81/185,146.57
  6. Step 6: Final answer
    x = 138,363.50

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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.