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Finding the Fourth Proportional to 171,385.73, 257,075.83 and 46,726.73

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Solution

The fourth proportional to 171,385.73, 257,075.83 and 46,726.73 is: 70,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,385.73 : 257,075.83 = 46,726.73 : x
  2. Step 2: Convert to fraction form
    171,385.73/257,075.83 = 46,726.73/x
  3. Step 3: Cross multiply
    171,385.73x = 257,075.83 × 46,726.73
  4. Step 4: Simplify right side
    171,385.73x = 12,012,312,897.94
  5. Step 5: Solve for x
    x = 12,012,312,897.94/171,385.73
  6. Step 6: Final answer
    x = 70,089.34

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1.5x scale

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.