Home / 142,265.04-213,420.60-43,746

Finding the Fourth Proportional to 142,265.04, 213,420.60 and 43,746

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Solution

The fourth proportional to 142,265.04, 213,420.60 and 43,746 is: 65,626.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,265.04 : 213,420.60 = 43,746 : x
  2. Step 2: Convert to fraction form
    142,265.04/213,420.60 = 43,746/x
  3. Step 3: Cross multiply
    142,265.04x = 213,420.60 × 43,746
  4. Step 4: Simplify right side
    142,265.04x = 9,336,297,567.60
  5. Step 5: Solve for x
    x = 9,336,297,567.60/142,265.04
  6. Step 6: Final answer
    x = 65,626.08

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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.