Home / 125,075.54-172,620.98-74,084.28

Finding the Fourth Proportional to 125,075.54, 172,620.98 and 74,084.28

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Solution

The fourth proportional to 125,075.54, 172,620.98 and 74,084.28 is: 102,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,075.54 : 172,620.98 = 74,084.28 : x
  2. Step 2: Convert to fraction form
    125,075.54/172,620.98 = 74,084.28/x
  3. Step 3: Cross multiply
    125,075.54x = 172,620.98 × 74,084.28
  4. Step 4: Simplify right side
    125,075.54x = 12,788,500,645.77
  5. Step 5: Solve for x
    x = 12,788,500,645.77/125,075.54
  6. Step 6: Final answer
    x = 102,246.22

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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.