Home / 120,423.01-180,643.85-36,176.58

Finding the Fourth Proportional to 120,423.01, 180,643.85 and 36,176.58

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Solution

The fourth proportional to 120,423.01, 180,643.85 and 36,176.58 is: 54,267.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,423.01 : 180,643.85 = 36,176.58 : x
  2. Step 2: Convert to fraction form
    120,423.01/180,643.85 = 36,176.58/x
  3. Step 3: Cross multiply
    120,423.01x = 180,643.85 × 36,176.58
  4. Step 4: Simplify right side
    120,423.01x = 6,535,075,606.93
  5. Step 5: Solve for x
    x = 6,535,075,606.93/120,423.01
  6. Step 6: Final answer
    x = 54,267.67

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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.