Home / 131,529.60-197,294.40-48,412.80

Finding the Fourth Proportional to 131,529.60, 197,294.40 and 48,412.80

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Solution

The fourth proportional to 131,529.60, 197,294.40 and 48,412.80 is: 72,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,529.60 : 197,294.40 = 48,412.80 : x
  2. Step 2: Convert to fraction form
    131,529.60/197,294.40 = 48,412.80/x
  3. Step 3: Cross multiply
    131,529.60x = 197,294.40 × 48,412.80
  4. Step 4: Simplify right side
    131,529.60x = 9,551,574,328.32
  5. Step 5: Solve for x
    x = 9,551,574,328.32/131,529.60
  6. Step 6: Final answer
    x = 72,619.20

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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.