Home / 142,969.04-214,455.10-43,130.10

Finding the Fourth Proportional to 142,969.04, 214,455.10 and 43,130.10

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Solution

The fourth proportional to 142,969.04, 214,455.10 and 43,130.10 is: 64,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,969.04 : 214,455.10 = 43,130.10 : x
  2. Step 2: Convert to fraction form
    142,969.04/214,455.10 = 43,130.10/x
  3. Step 3: Cross multiply
    142,969.04x = 214,455.10 × 43,130.10
  4. Step 4: Simplify right side
    142,969.04x = 9,249,469,479.45
  5. Step 5: Solve for x
    x = 9,249,469,479.45/142,969.04
  6. Step 6: Final answer
    x = 64,695.61

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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.