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Finding the Fourth Proportional to 143,888.51, 215,852.45 and 49,093.25

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Solution

The fourth proportional to 143,888.51, 215,852.45 and 49,093.25 is: 73,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,888.51 : 215,852.45 = 49,093.25 : x
  2. Step 2: Convert to fraction form
    143,888.51/215,852.45 = 49,093.25/x
  3. Step 3: Cross multiply
    143,888.51x = 215,852.45 × 49,093.25
  4. Step 4: Simplify right side
    143,888.51x = 10,596,896,966.23
  5. Step 5: Solve for x
    x = 10,596,896,966.23/143,888.51
  6. Step 6: Final answer
    x = 73,646.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.