Home / 208,885.17-288,262.40-118,258.63

Finding the Fourth Proportional to 208,885.17, 288,262.40 and 118,258.63

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Solution

The fourth proportional to 208,885.17, 288,262.40 and 118,258.63 is: 163,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,885.17 : 288,262.40 = 118,258.63 : x
  2. Step 2: Convert to fraction form
    208,885.17/288,262.40 = 118,258.63/x
  3. Step 3: Cross multiply
    208,885.17x = 288,262.40 × 118,258.63
  4. Step 4: Simplify right side
    208,885.17x = 34,089,516,112.41
  5. Step 5: Solve for x
    x = 34,089,516,112.41/208,885.17
  6. Step 6: Final answer
    x = 163,197.40

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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.