Home / 170,815.70-256,223.55-158,374.10

Finding the Fourth Proportional to 170,815.70, 256,223.55 and 158,374.10

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Solution

The fourth proportional to 170,815.70, 256,223.55 and 158,374.10 is: 237,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,815.70 : 256,223.55 = 158,374.10 : x
  2. Step 2: Convert to fraction form
    170,815.70/256,223.55 = 158,374.10/x
  3. Step 3: Cross multiply
    170,815.70x = 256,223.55 × 158,374.10
  4. Step 4: Simplify right side
    170,815.70x = 40,579,174,130.06
  5. Step 5: Solve for x
    x = 40,579,174,130.06/170,815.70
  6. Step 6: Final answer
    x = 237,561.15

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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.