Home / 119,008.84-164,209.26-76,561.60

Finding the Fourth Proportional to 119,008.84, 164,209.26 and 76,561.60

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Solution

The fourth proportional to 119,008.84, 164,209.26 and 76,561.60 is: 105,640.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,008.84 : 164,209.26 = 76,561.60 : x
  2. Step 2: Convert to fraction form
    119,008.84/164,209.26 = 76,561.60/x
  3. Step 3: Cross multiply
    119,008.84x = 164,209.26 × 76,561.60
  4. Step 4: Simplify right side
    119,008.84x = 12,572,123,680.42
  5. Step 5: Solve for x
    x = 12,572,123,680.42/119,008.84
  6. Step 6: Final answer
    x = 105,640.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.