Home / 102,529.80-153,794.70-32,430.60

Finding the Fourth Proportional to 102,529.80, 153,794.70 and 32,430.60

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Solution

The fourth proportional to 102,529.80, 153,794.70 and 32,430.60 is: 48,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,529.80 : 153,794.70 = 32,430.60 : x
  2. Step 2: Convert to fraction form
    102,529.80/153,794.70 = 32,430.60/x
  3. Step 3: Cross multiply
    102,529.80x = 153,794.70 × 32,430.60
  4. Step 4: Simplify right side
    102,529.80x = 4,987,654,397.82
  5. Step 5: Solve for x
    x = 4,987,654,397.82/102,529.80
  6. Step 6: Final answer
    x = 48,645.90

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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.