Home / 209,576.29-289,474.95-152,123.80

Finding the Fourth Proportional to 209,576.29, 289,474.95 and 152,123.80

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Solution

The fourth proportional to 209,576.29, 289,474.95 and 152,123.80 is: 210,119.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,576.29 : 289,474.95 = 152,123.80 : x
  2. Step 2: Convert to fraction form
    209,576.29/289,474.95 = 152,123.80/x
  3. Step 3: Cross multiply
    209,576.29x = 289,474.95 × 152,123.80
  4. Step 4: Simplify right side
    209,576.29x = 44,036,029,398.81
  5. Step 5: Solve for x
    x = 44,036,029,398.81/209,576.29
  6. Step 6: Final answer
    x = 210,119.33

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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.