Home / 120,304.04-180,393.89-52,808.45

Finding the Fourth Proportional to 120,304.04, 180,393.89 and 52,808.45

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Solution

The fourth proportional to 120,304.04, 180,393.89 and 52,808.45 is: 79,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,304.04 : 180,393.89 = 52,808.45 : x
  2. Step 2: Convert to fraction form
    120,304.04/180,393.89 = 52,808.45/x
  3. Step 3: Cross multiply
    120,304.04x = 180,393.89 × 52,808.45
  4. Step 4: Simplify right side
    120,304.04x = 9,526,320,554.36
  5. Step 5: Solve for x
    x = 9,526,320,554.36/120,304.04
  6. Step 6: Final answer
    x = 79,185.38

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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.