Home / 127,144.13-175,464.36-70,555.50

Finding the Fourth Proportional to 127,144.13, 175,464.36 and 70,555.50

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Solution

The fourth proportional to 127,144.13, 175,464.36 and 70,555.50 is: 97,369.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,144.13 : 175,464.36 = 70,555.50 : x
  2. Step 2: Convert to fraction form
    127,144.13/175,464.36 = 70,555.50/x
  3. Step 3: Cross multiply
    127,144.13x = 175,464.36 × 70,555.50
  4. Step 4: Simplify right side
    127,144.13x = 12,379,975,651.98
  5. Step 5: Solve for x
    x = 12,379,975,651.98/127,144.13
  6. Step 6: Final answer
    x = 97,369.62

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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.