Home / 142,815.69-214,253.51-42,983.19

Finding the Fourth Proportional to 142,815.69, 214,253.51 and 42,983.19

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Solution

The fourth proportional to 142,815.69, 214,253.51 and 42,983.19 is: 64,483.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,815.69 : 214,253.51 = 42,983.19 : x
  2. Step 2: Convert to fraction form
    142,815.69/214,253.51 = 42,983.19/x
  3. Step 3: Cross multiply
    142,815.69x = 214,253.51 × 42,983.19
  4. Step 4: Simplify right side
    142,815.69x = 9,209,299,113.58
  5. Step 5: Solve for x
    x = 9,209,299,113.58/142,815.69
  6. Step 6: Final answer
    x = 64,483.81

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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.