Home / 208,792.07-288,129.06-118,146.39

Finding the Fourth Proportional to 208,792.07, 288,129.06 and 118,146.39

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Solution

The fourth proportional to 208,792.07, 288,129.06 and 118,146.39 is: 163,039.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,792.07 : 288,129.06 = 118,146.39 : x
  2. Step 2: Convert to fraction form
    208,792.07/288,129.06 = 118,146.39/x
  3. Step 3: Cross multiply
    208,792.07x = 288,129.06 × 118,146.39
  4. Step 4: Simplify right side
    208,792.07x = 34,041,408,293.09
  5. Step 5: Solve for x
    x = 34,041,408,293.09/208,792.07
  6. Step 6: Final answer
    x = 163,039.76

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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.