Home / 145,879.74-218,856.50-40,698.63

Finding the Fourth Proportional to 145,879.74, 218,856.50 and 40,698.63

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Solution

The fourth proportional to 145,879.74, 218,856.50 and 40,698.63 is: 61,058.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,879.74 : 218,856.50 = 40,698.63 : x
  2. Step 2: Convert to fraction form
    145,879.74/218,856.50 = 40,698.63/x
  3. Step 3: Cross multiply
    145,879.74x = 218,856.50 × 40,698.63
  4. Step 4: Simplify right side
    145,879.74x = 8,907,159,513.10
  5. Step 5: Solve for x
    x = 8,907,159,513.10/145,879.74
  6. Step 6: Final answer
    x = 61,058.24

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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.