Home / 143,669.20-215,457.93-47,588.83

Finding the Fourth Proportional to 143,669.20, 215,457.93 and 47,588.83

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Solution

The fourth proportional to 143,669.20, 215,457.93 and 47,588.83 is: 71,368.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,669.20 : 215,457.93 = 47,588.83 : x
  2. Step 2: Convert to fraction form
    143,669.20/215,457.93 = 47,588.83/x
  3. Step 3: Cross multiply
    143,669.20x = 215,457.93 × 47,588.83
  4. Step 4: Simplify right side
    143,669.20x = 10,253,390,802.92
  5. Step 5: Solve for x
    x = 10,253,390,802.92/143,669.20
  6. Step 6: Final answer
    x = 71,368.05

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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.