Home / 175,975.86-242,739.14-104,307.90

Finding the Fourth Proportional to 175,975.86, 242,739.14 and 104,307.90

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Solution

The fourth proportional to 175,975.86, 242,739.14 and 104,307.90 is: 143,881.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,975.86 : 242,739.14 = 104,307.90 : x
  2. Step 2: Convert to fraction form
    175,975.86/242,739.14 = 104,307.90/x
  3. Step 3: Cross multiply
    175,975.86x = 242,739.14 × 104,307.90
  4. Step 4: Simplify right side
    175,975.86x = 25,319,609,941.21
  5. Step 5: Solve for x
    x = 25,319,609,941.21/175,975.86
  6. Step 6: Final answer
    x = 143,881.15

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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.