Home / 208,981.06-288,482.16-141,090.00

Finding the Fourth Proportional to 208,981.06, 288,482.16 and 141,090.00

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Solution

The fourth proportional to 208,981.06, 288,482.16 and 141,090.00 is: 194,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,981.06 : 288,482.16 = 141,090.00 : x
  2. Step 2: Convert to fraction form
    208,981.06/288,482.16 = 141,090.00/x
  3. Step 3: Cross multiply
    208,981.06x = 288,482.16 × 141,090.00
  4. Step 4: Simplify right side
    208,981.06x = 40,701,948,230.76
  5. Step 5: Solve for x
    x = 40,701,948,230.76/208,981.06
  6. Step 6: Final answer
    x = 194,763.81

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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.