Home / 143,352.68-215,032.80-38,171.84

Finding the Fourth Proportional to 143,352.68, 215,032.80 and 38,171.84

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Solution

The fourth proportional to 143,352.68, 215,032.80 and 38,171.84 is: 57,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,352.68 : 215,032.80 = 38,171.84 : x
  2. Step 2: Convert to fraction form
    143,352.68/215,032.80 = 38,171.84/x
  3. Step 3: Cross multiply
    143,352.68x = 215,032.80 × 38,171.84
  4. Step 4: Simplify right side
    143,352.68x = 8,208,197,636.35
  5. Step 5: Solve for x
    x = 8,208,197,636.35/143,352.68
  6. Step 6: Final answer
    x = 57,258.77

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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.