Home / 143,412.58-215,132.93-52,252.77

Finding the Fourth Proportional to 143,412.58, 215,132.93 and 52,252.77

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Solution

The fourth proportional to 143,412.58, 215,132.93 and 52,252.77 is: 78,384.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,412.58 : 215,132.93 = 52,252.77 : x
  2. Step 2: Convert to fraction form
    143,412.58/215,132.93 = 52,252.77/x
  3. Step 3: Cross multiply
    143,412.58x = 215,132.93 × 52,252.77
  4. Step 4: Simplify right side
    143,412.58x = 11,241,291,510.72
  5. Step 5: Solve for x
    x = 11,241,291,510.72/143,412.58
  6. Step 6: Final answer
    x = 78,384.28

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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.