Home / 208,698.02-288,008.41-118,049.70

Finding the Fourth Proportional to 208,698.02, 288,008.41 and 118,049.70

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Solution

The fourth proportional to 208,698.02, 288,008.41 and 118,049.70 is: 162,911.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,698.02 : 288,008.41 = 118,049.70 : x
  2. Step 2: Convert to fraction form
    208,698.02/288,008.41 = 118,049.70/x
  3. Step 3: Cross multiply
    208,698.02x = 288,008.41 × 118,049.70
  4. Step 4: Simplify right side
    208,698.02x = 33,999,307,404.23
  5. Step 5: Solve for x
    x = 33,999,307,404.23/208,698.02
  6. Step 6: Final answer
    x = 162,911.50

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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.