Home / 120,477.28-180,714.61-49,384.07

Finding the Fourth Proportional to 120,477.28, 180,714.61 and 49,384.07

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Solution

The fourth proportional to 120,477.28, 180,714.61 and 49,384.07 is: 74,075.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,477.28 : 180,714.61 = 49,384.07 : x
  2. Step 2: Convert to fraction form
    120,477.28/180,714.61 = 49,384.07/x
  3. Step 3: Cross multiply
    120,477.28x = 180,714.61 × 49,384.07
  4. Step 4: Simplify right side
    120,477.28x = 8,924,422,046.69
  5. Step 5: Solve for x
    x = 8,924,422,046.69/120,477.28
  6. Step 6: Final answer
    x = 74,075.56

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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.