Home / 137,808.04-190,195.90-84,124.30

Finding the Fourth Proportional to 137,808.04, 190,195.90 and 84,124.30

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Solution

The fourth proportional to 137,808.04, 190,195.90 and 84,124.30 is: 116,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,808.04 : 190,195.90 = 84,124.30 : x
  2. Step 2: Convert to fraction form
    137,808.04/190,195.90 = 84,124.30/x
  3. Step 3: Cross multiply
    137,808.04x = 190,195.90 × 84,124.30
  4. Step 4: Simplify right side
    137,808.04x = 16,000,096,950.37
  5. Step 5: Solve for x
    x = 16,000,096,950.37/137,808.04
  6. Step 6: Final answer
    x = 116,104.23

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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.