Home / 103,206.69-142,426.41-57,267.17

Finding the Fourth Proportional to 103,206.69, 142,426.41 and 57,267.17

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Solution

The fourth proportional to 103,206.69, 142,426.41 and 57,267.17 is: 79,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,206.69 : 142,426.41 = 57,267.17 : x
  2. Step 2: Convert to fraction form
    103,206.69/142,426.41 = 57,267.17/x
  3. Step 3: Cross multiply
    103,206.69x = 142,426.41 × 57,267.17
  4. Step 4: Simplify right side
    103,206.69x = 8,156,356,721.83
  5. Step 5: Solve for x
    x = 8,156,356,721.83/103,206.69
  6. Step 6: Final answer
    x = 79,029.34

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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.