Home / 120,316.30-180,412.14-64,141.31

Finding the Fourth Proportional to 120,316.30, 180,412.14 and 64,141.31

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Solution

The fourth proportional to 120,316.30, 180,412.14 and 64,141.31 is: 96,178.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,316.30 : 180,412.14 = 64,141.31 : x
  2. Step 2: Convert to fraction form
    120,316.30/180,412.14 = 64,141.31/x
  3. Step 3: Cross multiply
    120,316.30x = 180,412.14 × 64,141.31
  4. Step 4: Simplify right side
    120,316.30x = 11,571,871,450.53
  5. Step 5: Solve for x
    x = 11,571,871,450.53/120,316.30
  6. Step 6: Final answer
    x = 96,178.75

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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.