Home / 145,109.60-217,587.04-50,315.64

Finding the Fourth Proportional to 145,109.60, 217,587.04 and 50,315.64

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Solution

The fourth proportional to 145,109.60, 217,587.04 and 50,315.64 is: 75,446.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,109.60 : 217,587.04 = 50,315.64 : x
  2. Step 2: Convert to fraction form
    145,109.60/217,587.04 = 50,315.64/x
  3. Step 3: Cross multiply
    145,109.60x = 217,587.04 × 50,315.64
  4. Step 4: Simplify right side
    145,109.60x = 10,948,031,173.31
  5. Step 5: Solve for x
    x = 10,948,031,173.31/145,109.60
  6. Step 6: Final answer
    x = 75,446.64

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1.5x scale

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.