Home / 74,075.08-102,221.04-42,254.20

Finding the Fourth Proportional to 74,075.08, 102,221.04 and 42,254.20

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Solution

The fourth proportional to 74,075.08, 102,221.04 and 42,254.20 is: 58,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,075.08 : 102,221.04 = 42,254.20 : x
  2. Step 2: Convert to fraction form
    74,075.08/102,221.04 = 42,254.20/x
  3. Step 3: Cross multiply
    74,075.08x = 102,221.04 × 42,254.20
  4. Step 4: Simplify right side
    74,075.08x = 4,319,268,268.37
  5. Step 5: Solve for x
    x = 4,319,268,268.37/74,075.08
  6. Step 6: Final answer
    x = 58,309.33

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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.