Home / 143,442.02-215,152.10-49,947.77

Finding the Fourth Proportional to 143,442.02, 215,152.10 and 49,947.77

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Solution

The fourth proportional to 143,442.02, 215,152.10 and 49,947.77 is: 74,917.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,442.02 : 215,152.10 = 49,947.77 : x
  2. Step 2: Convert to fraction form
    143,442.02/215,152.10 = 49,947.77/x
  3. Step 3: Cross multiply
    143,442.02x = 215,152.10 × 49,947.77
  4. Step 4: Simplify right side
    143,442.02x = 10,746,368,081.26
  5. Step 5: Solve for x
    x = 10,746,368,081.26/143,442.02
  6. Step 6: Final answer
    x = 74,917.85

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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.