Home / 108,858.16-150,213.99-61,102.18

Finding the Fourth Proportional to 108,858.16, 150,213.99 and 61,102.18

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Solution

The fourth proportional to 108,858.16, 150,213.99 and 61,102.18 is: 84,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,858.16 : 150,213.99 = 61,102.18 : x
  2. Step 2: Convert to fraction form
    108,858.16/150,213.99 = 61,102.18/x
  3. Step 3: Cross multiply
    108,858.16x = 150,213.99 × 61,102.18
  4. Step 4: Simplify right side
    108,858.16x = 9,178,402,255.50
  5. Step 5: Solve for x
    x = 9,178,402,255.50/108,858.16
  6. Step 6: Final answer
    x = 84,315.24

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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.