Home / 142,970.58-214,457.42-43,131.65

Finding the Fourth Proportional to 142,970.58, 214,457.42 and 43,131.65

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Solution

The fourth proportional to 142,970.58, 214,457.42 and 43,131.65 is: 64,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,970.58 : 214,457.42 = 43,131.65 : x
  2. Step 2: Convert to fraction form
    142,970.58/214,457.42 = 43,131.65/x
  3. Step 3: Cross multiply
    142,970.58x = 214,457.42 × 43,131.65
  4. Step 4: Simplify right side
    142,970.58x = 9,249,901,414.89
  5. Step 5: Solve for x
    x = 9,249,901,414.89/142,970.58
  6. Step 6: Final answer
    x = 64,697.94

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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.