Home / 152,118.08-209,916.96-84,130.56

Finding the Fourth Proportional to 152,118.08, 209,916.96 and 84,130.56

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Solution

The fourth proportional to 152,118.08, 209,916.96 and 84,130.56 is: 116,096.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,118.08 : 209,916.96 = 84,130.56 : x
  2. Step 2: Convert to fraction form
    152,118.08/209,916.96 = 84,130.56/x
  3. Step 3: Cross multiply
    152,118.08x = 209,916.96 × 84,130.56
  4. Step 4: Simplify right side
    152,118.08x = 17,660,431,398.30
  5. Step 5: Solve for x
    x = 17,660,431,398.30/152,118.08
  6. Step 6: Final answer
    x = 116,096.86

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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.