Home / 142,124.69-213,320.99-104,570.26

Finding the Fourth Proportional to 142,124.69, 213,320.99 and 104,570.26

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Solution

The fourth proportional to 142,124.69, 213,320.99 and 104,570.26 is: 156,953.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,124.69 : 213,320.99 = 104,570.26 : x
  2. Step 2: Convert to fraction form
    142,124.69/213,320.99 = 104,570.26/x
  3. Step 3: Cross multiply
    142,124.69x = 213,320.99 × 104,570.26
  4. Step 4: Simplify right side
    142,124.69x = 22,307,031,115.88
  5. Step 5: Solve for x
    x = 22,307,031,115.88/142,124.69
  6. Step 6: Final answer
    x = 156,953.94

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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.