Home / 145,401.41-218,059.72-56,633.81

Finding the Fourth Proportional to 145,401.41, 218,059.72 and 56,633.81

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Solution

The fourth proportional to 145,401.41, 218,059.72 and 56,633.81 is: 84,934.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,401.41 : 218,059.72 = 56,633.81 : x
  2. Step 2: Convert to fraction form
    145,401.41/218,059.72 = 56,633.81/x
  3. Step 3: Cross multiply
    145,401.41x = 218,059.72 × 56,633.81
  4. Step 4: Simplify right side
    145,401.41x = 12,349,551,519.25
  5. Step 5: Solve for x
    x = 12,349,551,519.25/145,401.41
  6. Step 6: Final answer
    x = 84,934.19

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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.