Home / 240,158.81-331,372.05-144,670.74

Finding the Fourth Proportional to 240,158.81, 331,372.05 and 144,670.74

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Solution

The fourth proportional to 240,158.81, 331,372.05 and 144,670.74 is: 199,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,158.81 : 331,372.05 = 144,670.74 : x
  2. Step 2: Convert to fraction form
    240,158.81/331,372.05 = 144,670.74/x
  3. Step 3: Cross multiply
    240,158.81x = 331,372.05 × 144,670.74
  4. Step 4: Simplify right side
    240,158.81x = 47,939,839,688.82
  5. Step 5: Solve for x
    x = 47,939,839,688.82/240,158.81
  6. Step 6: Final answer
    x = 199,617.24

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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.