Home / 137,832.01-190,228.74-84,148.15

Finding the Fourth Proportional to 137,832.01, 190,228.74 and 84,148.15

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Solution

The fourth proportional to 137,832.01, 190,228.74 and 84,148.15 is: 116,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,832.01 : 190,228.74 = 84,148.15 : x
  2. Step 2: Convert to fraction form
    137,832.01/190,228.74 = 84,148.15/x
  3. Step 3: Cross multiply
    137,832.01x = 190,228.74 × 84,148.15
  4. Step 4: Simplify right side
    137,832.01x = 16,007,396,547.83
  5. Step 5: Solve for x
    x = 16,007,396,547.83/137,832.01
  6. Step 6: Final answer
    x = 116,137.00

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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.