Home / 170,082.40-255,123.60-57,792.10

Finding the Fourth Proportional to 170,082.40, 255,123.60 and 57,792.10

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Solution

The fourth proportional to 170,082.40, 255,123.60 and 57,792.10 is: 86,688.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,082.40 : 255,123.60 = 57,792.10 : x
  2. Step 2: Convert to fraction form
    170,082.40/255,123.60 = 57,792.10/x
  3. Step 3: Cross multiply
    170,082.40x = 255,123.60 × 57,792.10
  4. Step 4: Simplify right side
    170,082.40x = 14,744,128,603.56
  5. Step 5: Solve for x
    x = 14,744,128,603.56/170,082.40
  6. Step 6: Final answer
    x = 86,688.15

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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.