Home / 131,207.84-196,762.35-42,437.51

Finding the Fourth Proportional to 131,207.84, 196,762.35 and 42,437.51

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Solution

The fourth proportional to 131,207.84, 196,762.35 and 42,437.51 is: 63,640.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,207.84 : 196,762.35 = 42,437.51 : x
  2. Step 2: Convert to fraction form
    131,207.84/196,762.35 = 42,437.51/x
  3. Step 3: Cross multiply
    131,207.84x = 196,762.35 × 42,437.51
  4. Step 4: Simplify right side
    131,207.84x = 8,350,104,195.75
  5. Step 5: Solve for x
    x = 8,350,104,195.75/131,207.84
  6. Step 6: Final answer
    x = 63,640.28

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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.