Home / 143,733.18-215,641.84-42,533.90

Finding the Fourth Proportional to 143,733.18, 215,641.84 and 42,533.90

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Solution

The fourth proportional to 143,733.18, 215,641.84 and 42,533.90 is: 63,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,733.18 : 215,641.84 = 42,533.90 : x
  2. Step 2: Convert to fraction form
    143,733.18/215,641.84 = 42,533.90/x
  3. Step 3: Cross multiply
    143,733.18x = 215,641.84 × 42,533.90
  4. Step 4: Simplify right side
    143,733.18x = 9,172,088,458.38
  5. Step 5: Solve for x
    x = 9,172,088,458.38/143,733.18
  6. Step 6: Final answer
    x = 63,813.30

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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.