Home / 141,563.10-212,661.45-118,235.10

Finding the Fourth Proportional to 141,563.10, 212,661.45 and 118,235.10

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Solution

The fourth proportional to 141,563.10, 212,661.45 and 118,235.10 is: 177,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,563.10 : 212,661.45 = 118,235.10 : x
  2. Step 2: Convert to fraction form
    141,563.10/212,661.45 = 118,235.10/x
  3. Step 3: Cross multiply
    141,563.10x = 212,661.45 × 118,235.10
  4. Step 4: Simplify right side
    141,563.10x = 25,144,047,806.90
  5. Step 5: Solve for x
    x = 25,144,047,806.90/141,563.10
  6. Step 6: Final answer
    x = 177,617.24

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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.