Home / 143,575.04-215,316.56-47,494.40

Finding the Fourth Proportional to 143,575.04, 215,316.56 and 47,494.40

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Solution

The fourth proportional to 143,575.04, 215,316.56 and 47,494.40 is: 71,226.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,575.04 : 215,316.56 = 47,494.40 : x
  2. Step 2: Convert to fraction form
    143,575.04/215,316.56 = 47,494.40/x
  3. Step 3: Cross multiply
    143,575.04x = 215,316.56 × 47,494.40
  4. Step 4: Simplify right side
    143,575.04x = 10,226,330,827.26
  5. Step 5: Solve for x
    x = 10,226,330,827.26/143,575.04
  6. Step 6: Final answer
    x = 71,226.38

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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.