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Finding the Fourth Proportional to 119,595.79, 179,476.58 and 77,370.76

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Solution

The fourth proportional to 119,595.79, 179,476.58 and 77,370.76 is: 116,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,595.79 : 179,476.58 = 77,370.76 : x
  2. Step 2: Convert to fraction form
    119,595.79/179,476.58 = 77,370.76/x
  3. Step 3: Cross multiply
    119,595.79x = 179,476.58 × 77,370.76
  4. Step 4: Simplify right side
    119,595.79x = 13,886,239,396.80
  5. Step 5: Solve for x
    x = 13,886,239,396.80/119,595.79
  6. Step 6: Final answer
    x = 116,109.77

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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.