Home / 120,772.67-180,883.08-57,637.13

Finding the Fourth Proportional to 120,772.67, 180,883.08 and 57,637.13

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Solution

The fourth proportional to 120,772.67, 180,883.08 and 57,637.13 is: 86,324.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,772.67 : 180,883.08 = 57,637.13 : x
  2. Step 2: Convert to fraction form
    120,772.67/180,883.08 = 57,637.13/x
  3. Step 3: Cross multiply
    120,772.67x = 180,883.08 × 57,637.13
  4. Step 4: Simplify right side
    120,772.67x = 10,425,581,596.76
  5. Step 5: Solve for x
    x = 10,425,581,596.76/120,772.67
  6. Step 6: Final answer
    x = 86,324.01

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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.