Home / 142,295.04-213,465.60-43,776

Finding the Fourth Proportional to 142,295.04, 213,465.60 and 43,776

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Solution

The fourth proportional to 142,295.04, 213,465.60 and 43,776 is: 65,671.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,295.04 : 213,465.60 = 43,776 : x
  2. Step 2: Convert to fraction form
    142,295.04/213,465.60 = 43,776/x
  3. Step 3: Cross multiply
    142,295.04x = 213,465.60 × 43,776
  4. Step 4: Simplify right side
    142,295.04x = 9,344,670,105.60
  5. Step 5: Solve for x
    x = 9,344,670,105.60/142,295.04
  6. Step 6: Final answer
    x = 65,671.09

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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.