Home / 142,783.65-197,137.67-127,627.74

Finding the Fourth Proportional to 142,783.65, 197,137.67 and 127,627.74

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Solution

The fourth proportional to 142,783.65, 197,137.67 and 127,627.74 is: 176,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,783.65 : 197,137.67 = 127,627.74 : x
  2. Step 2: Convert to fraction form
    142,783.65/197,137.67 = 127,627.74/x
  3. Step 3: Cross multiply
    142,783.65x = 197,137.67 × 127,627.74
  4. Step 4: Simplify right side
    142,783.65x = 25,160,234,652.83
  5. Step 5: Solve for x
    x = 25,160,234,652.83/142,783.65
  6. Step 6: Final answer
    x = 176,212.29

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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.