Home / 185,868.36-278,802.95-45,627.39

Finding the Fourth Proportional to 185,868.36, 278,802.95 and 45,627.39

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Solution

The fourth proportional to 185,868.36, 278,802.95 and 45,627.39 is: 68,441.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,868.36 : 278,802.95 = 45,627.39 : x
  2. Step 2: Convert to fraction form
    185,868.36/278,802.95 = 45,627.39/x
  3. Step 3: Cross multiply
    185,868.36x = 278,802.95 × 45,627.39
  4. Step 4: Simplify right side
    185,868.36x = 12,721,050,704.66
  5. Step 5: Solve for x
    x = 12,721,050,704.66/185,868.36
  6. Step 6: Final answer
    x = 68,441.18

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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.