Home / 113,145.94-169,740.76-43,019.80

Finding the Fourth Proportional to 113,145.94, 169,740.76 and 43,019.80

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Solution

The fourth proportional to 113,145.94, 169,740.76 and 43,019.80 is: 64,538.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,145.94 : 169,740.76 = 43,019.80 : x
  2. Step 2: Convert to fraction form
    113,145.94/169,740.76 = 43,019.80/x
  3. Step 3: Cross multiply
    113,145.94x = 169,740.76 × 43,019.80
  4. Step 4: Simplify right side
    113,145.94x = 7,302,213,547.05
  5. Step 5: Solve for x
    x = 7,302,213,547.05/113,145.94
  6. Step 6: Final answer
    x = 64,538.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.