Home / 103,037.07-142,192.59-67,206.51

Finding the Fourth Proportional to 103,037.07, 142,192.59 and 67,206.51

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Solution

The fourth proportional to 103,037.07, 142,192.59 and 67,206.51 is: 92,745.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,037.07 : 142,192.59 = 67,206.51 : x
  2. Step 2: Convert to fraction form
    103,037.07/142,192.59 = 67,206.51/x
  3. Step 3: Cross multiply
    103,037.07x = 142,192.59 × 67,206.51
  4. Step 4: Simplify right side
    103,037.07x = 9,556,267,721.76
  5. Step 5: Solve for x
    x = 9,556,267,721.76/103,037.07
  6. Step 6: Final answer
    x = 92,745.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.