Home / 143,352.77-215,032.11-52,165.05

Finding the Fourth Proportional to 143,352.77, 215,032.11 and 52,165.05

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Solution

The fourth proportional to 143,352.77, 215,032.11 and 52,165.05 is: 78,248.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,352.77 : 215,032.11 = 52,165.05 : x
  2. Step 2: Convert to fraction form
    143,352.77/215,032.11 = 52,165.05/x
  3. Step 3: Cross multiply
    143,352.77x = 215,032.11 × 52,165.05
  4. Step 4: Simplify right side
    143,352.77x = 11,217,159,694.60
  5. Step 5: Solve for x
    x = 11,217,159,694.60/143,352.77
  6. Step 6: Final answer
    x = 78,248.65

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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.