Home / 131,476.84-181,438.03-71,047.51

Finding the Fourth Proportional to 131,476.84, 181,438.03 and 71,047.51

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Solution

The fourth proportional to 131,476.84, 181,438.03 and 71,047.51 is: 98,045.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,476.84 : 181,438.03 = 71,047.51 : x
  2. Step 2: Convert to fraction form
    131,476.84/181,438.03 = 71,047.51/x
  3. Step 3: Cross multiply
    131,476.84x = 181,438.03 × 71,047.51
  4. Step 4: Simplify right side
    131,476.84x = 12,890,720,250.81
  5. Step 5: Solve for x
    x = 12,890,720,250.81/131,476.84
  6. Step 6: Final answer
    x = 98,045.56

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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.