Home / 208,739.89-288,075.53-118,096.21

Finding the Fourth Proportional to 208,739.89, 288,075.53 and 118,096.21

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Solution

The fourth proportional to 208,739.89, 288,075.53 and 118,096.21 is: 162,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,739.89 : 288,075.53 = 118,096.21 : x
  2. Step 2: Convert to fraction form
    208,739.89/288,075.53 = 118,096.21/x
  3. Step 3: Cross multiply
    208,739.89x = 288,075.53 × 118,096.21
  4. Step 4: Simplify right side
    208,739.89x = 34,020,628,286.74
  5. Step 5: Solve for x
    x = 34,020,628,286.74/208,739.89
  6. Step 6: Final answer
    x = 162,980.96

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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.