Home / 88,726.40-133,089.60-58,788.80

Finding the Fourth Proportional to 88,726.40, 133,089.60 and 58,788.80

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Solution

The fourth proportional to 88,726.40, 133,089.60 and 58,788.80 is: 88,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,726.40 : 133,089.60 = 58,788.80 : x
  2. Step 2: Convert to fraction form
    88,726.40/133,089.60 = 58,788.80/x
  3. Step 3: Cross multiply
    88,726.40x = 133,089.60 × 58,788.80
  4. Step 4: Simplify right side
    88,726.40x = 7,824,177,876.48
  5. Step 5: Solve for x
    x = 7,824,177,876.48/88,726.40
  6. Step 6: Final answer
    x = 88,183.20

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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.