Home / 157,020.21-235,630.22-57,170.70

Finding the Fourth Proportional to 157,020.21, 235,630.22 and 57,170.70

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Solution

The fourth proportional to 157,020.21, 235,630.22 and 57,170.70 is: 85,792.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,020.21 : 235,630.22 = 57,170.70 : x
  2. Step 2: Convert to fraction form
    157,020.21/235,630.22 = 57,170.70/x
  3. Step 3: Cross multiply
    157,020.21x = 235,630.22 × 57,170.70
  4. Step 4: Simplify right side
    157,020.21x = 13,471,144,332.70
  5. Step 5: Solve for x
    x = 13,471,144,332.70/157,020.21
  6. Step 6: Final answer
    x = 85,792.42

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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.