Home / 108,840.07-150,191.05-61,084.20

Finding the Fourth Proportional to 108,840.07, 150,191.05 and 61,084.20

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Solution

The fourth proportional to 108,840.07, 150,191.05 and 61,084.20 is: 84,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,840.07 : 150,191.05 = 61,084.20 : x
  2. Step 2: Convert to fraction form
    108,840.07/150,191.05 = 61,084.20/x
  3. Step 3: Cross multiply
    108,840.07x = 150,191.05 × 61,084.20
  4. Step 4: Simplify right side
    108,840.07x = 9,174,300,136.41
  5. Step 5: Solve for x
    x = 9,174,300,136.41/108,840.07
  6. Step 6: Final answer
    x = 84,291.57

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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.