Home / 149,014.51-205,633.76-84,488.09

Finding the Fourth Proportional to 149,014.51, 205,633.76 and 84,488.09

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Solution

The fourth proportional to 149,014.51, 205,633.76 and 84,488.09 is: 116,590.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,014.51 : 205,633.76 = 84,488.09 : x
  2. Step 2: Convert to fraction form
    149,014.51/205,633.76 = 84,488.09/x
  3. Step 3: Cross multiply
    149,014.51x = 205,633.76 × 84,488.09
  4. Step 4: Simplify right side
    149,014.51x = 17,373,602,804.97
  5. Step 5: Solve for x
    x = 17,373,602,804.97/149,014.51
  6. Step 6: Final answer
    x = 116,590.01

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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.