Home / 120,370.34-180,555.06-36,130.14

Finding the Fourth Proportional to 120,370.34, 180,555.06 and 36,130.14

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Solution

The fourth proportional to 120,370.34, 180,555.06 and 36,130.14 is: 54,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,370.34 : 180,555.06 = 36,130.14 : x
  2. Step 2: Convert to fraction form
    120,370.34/180,555.06 = 36,130.14/x
  3. Step 3: Cross multiply
    120,370.34x = 180,555.06 × 36,130.14
  4. Step 4: Simplify right side
    120,370.34x = 6,523,479,595.51
  5. Step 5: Solve for x
    x = 6,523,479,595.51/120,370.34
  6. Step 6: Final answer
    x = 54,195.07

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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.