Home / 131,478.76-197,048.70-114,543.28

Finding the Fourth Proportional to 131,478.76, 197,048.70 and 114,543.28

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Solution

The fourth proportional to 131,478.76, 197,048.70 and 114,543.28 is: 171,667.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,478.76 : 197,048.70 = 114,543.28 : x
  2. Step 2: Convert to fraction form
    131,478.76/197,048.70 = 114,543.28/x
  3. Step 3: Cross multiply
    131,478.76x = 197,048.70 × 114,543.28
  4. Step 4: Simplify right side
    131,478.76x = 22,570,604,417.74
  5. Step 5: Solve for x
    x = 22,570,604,417.74/131,478.76
  6. Step 6: Final answer
    x = 171,667.31

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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.