Home / 170,142.89-255,237.68-57,792.95

Finding the Fourth Proportional to 170,142.89, 255,237.68 and 57,792.95

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Solution

The fourth proportional to 170,142.89, 255,237.68 and 57,792.95 is: 86,697.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,142.89 : 255,237.68 = 57,792.95 : x
  2. Step 2: Convert to fraction form
    170,142.89/255,237.68 = 57,792.95/x
  3. Step 3: Cross multiply
    170,142.89x = 255,237.68 × 57,792.95
  4. Step 4: Simplify right side
    170,142.89x = 14,750,938,303.79
  5. Step 5: Solve for x
    x = 14,750,938,303.79/170,142.89
  6. Step 6: Final answer
    x = 86,697.36

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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.