Home / 153,899.99-212,470.31-117,314.20

Finding the Fourth Proportional to 153,899.99, 212,470.31 and 117,314.20

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Solution

The fourth proportional to 153,899.99, 212,470.31 and 117,314.20 is: 161,960.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,899.99 : 212,470.31 = 117,314.20 : x
  2. Step 2: Convert to fraction form
    153,899.99/212,470.31 = 117,314.20/x
  3. Step 3: Cross multiply
    153,899.99x = 212,470.31 × 117,314.20
  4. Step 4: Simplify right side
    153,899.99x = 24,925,782,792.48
  5. Step 5: Solve for x
    x = 24,925,782,792.48/153,899.99
  6. Step 6: Final answer
    x = 161,960.92

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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.