Home / 137,880.65-190,296.01-84,196.63

Finding the Fourth Proportional to 137,880.65, 190,296.01 and 84,196.63

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Solution

The fourth proportional to 137,880.65, 190,296.01 and 84,196.63 is: 116,204.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,880.65 : 190,296.01 = 84,196.63 : x
  2. Step 2: Convert to fraction form
    137,880.65/190,296.01 = 84,196.63/x
  3. Step 3: Cross multiply
    137,880.65x = 190,296.01 × 84,196.63
  4. Step 4: Simplify right side
    137,880.65x = 16,022,282,771.82
  5. Step 5: Solve for x
    x = 16,022,282,771.82/137,880.65
  6. Step 6: Final answer
    x = 116,204.00

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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.