Home / 137,830.01-190,225.99-84,146.15

Finding the Fourth Proportional to 137,830.01, 190,225.99 and 84,146.15

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Solution

The fourth proportional to 137,830.01, 190,225.99 and 84,146.15 is: 116,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,830.01 : 190,225.99 = 84,146.15 : x
  2. Step 2: Convert to fraction form
    137,830.01/190,225.99 = 84,146.15/x
  3. Step 3: Cross multiply
    137,830.01x = 190,225.99 × 84,146.15
  4. Step 4: Simplify right side
    137,830.01x = 16,006,783,316.58
  5. Step 5: Solve for x
    x = 16,006,783,316.58/137,830.01
  6. Step 6: Final answer
    x = 116,134.24

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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.