Home / 120,326.84-180,457.05-66,953.24

Finding the Fourth Proportional to 120,326.84, 180,457.05 and 66,953.24

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Solution

The fourth proportional to 120,326.84, 180,457.05 and 66,953.24 is: 100,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,326.84 : 180,457.05 = 66,953.24 : x
  2. Step 2: Convert to fraction form
    120,326.84/180,457.05 = 66,953.24/x
  3. Step 3: Cross multiply
    120,326.84x = 180,457.05 × 66,953.24
  4. Step 4: Simplify right side
    120,326.84x = 12,082,184,178.34
  5. Step 5: Solve for x
    x = 12,082,184,178.34/120,326.84
  6. Step 6: Final answer
    x = 100,411.38

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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.