Home / 175,665.65-242,420.26-103,069.77

Finding the Fourth Proportional to 175,665.65, 242,420.26 and 103,069.77

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Solution

The fourth proportional to 175,665.65, 242,420.26 and 103,069.77 is: 142,237.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,665.65 : 242,420.26 = 103,069.77 : x
  2. Step 2: Convert to fraction form
    175,665.65/242,420.26 = 103,069.77/x
  3. Step 3: Cross multiply
    175,665.65x = 242,420.26 × 103,069.77
  4. Step 4: Simplify right side
    175,665.65x = 24,986,201,109.29
  5. Step 5: Solve for x
    x = 24,986,201,109.29/175,665.65
  6. Step 6: Final answer
    x = 142,237.26

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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.