Home / 103,666.44-155,457.81-40,477.53

Finding the Fourth Proportional to 103,666.44, 155,457.81 and 40,477.53

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Solution

The fourth proportional to 103,666.44, 155,457.81 and 40,477.53 is: 60,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666.44 : 155,457.81 = 40,477.53 : x
  2. Step 2: Convert to fraction form
    103,666.44/155,457.81 = 40,477.53/x
  3. Step 3: Cross multiply
    103,666.44x = 155,457.81 × 40,477.53
  4. Step 4: Simplify right side
    103,666.44x = 6,292,548,168.01
  5. Step 5: Solve for x
    x = 6,292,548,168.01/103,666.44
  6. Step 6: Final answer
    x = 60,699.95

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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.