Home / 143,625.35-215,437.93-64,647.32

Finding the Fourth Proportional to 143,625.35, 215,437.93 and 64,647.32

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Solution

The fourth proportional to 143,625.35, 215,437.93 and 64,647.32 is: 96,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,625.35 : 215,437.93 = 64,647.32 : x
  2. Step 2: Convert to fraction form
    143,625.35/215,437.93 = 64,647.32/x
  3. Step 3: Cross multiply
    143,625.35x = 215,437.93 × 64,647.32
  4. Step 4: Simplify right side
    143,625.35x = 13,927,483,562.04
  5. Step 5: Solve for x
    x = 13,927,483,562.04/143,625.35
  6. Step 6: Final answer
    x = 96,970.93

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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.