Home / 108,052.85-161,853.23-86,878.23

Finding the Fourth Proportional to 108,052.85, 161,853.23 and 86,878.23

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Solution

The fourth proportional to 108,052.85, 161,853.23 and 86,878.23 is: 130,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,052.85 : 161,853.23 = 86,878.23 : x
  2. Step 2: Convert to fraction form
    108,052.85/161,853.23 = 86,878.23/x
  3. Step 3: Cross multiply
    108,052.85x = 161,853.23 × 86,878.23
  4. Step 4: Simplify right side
    108,052.85x = 14,061,521,707.79
  5. Step 5: Solve for x
    x = 14,061,521,707.79/108,052.85
  6. Step 6: Final answer
    x = 130,135.60

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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.