Home / 120,476.86-180,710.83-57,342.22

Finding the Fourth Proportional to 120,476.86, 180,710.83 and 57,342.22

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Solution

The fourth proportional to 120,476.86, 180,710.83 and 57,342.22 is: 86,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,476.86 : 180,710.83 = 57,342.22 : x
  2. Step 2: Convert to fraction form
    120,476.86/180,710.83 = 57,342.22/x
  3. Step 3: Cross multiply
    120,476.86x = 180,710.83 × 57,342.22
  4. Step 4: Simplify right side
    120,476.86x = 10,362,360,170.24
  5. Step 5: Solve for x
    x = 10,362,360,170.24/120,476.86
  6. Step 6: Final answer
    x = 86,011.21

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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.