Home / 152,426.40-228,639.60-63,679.20

Finding the Fourth Proportional to 152,426.40, 228,639.60 and 63,679.20

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Solution

The fourth proportional to 152,426.40, 228,639.60 and 63,679.20 is: 95,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,426.40 : 228,639.60 = 63,679.20 : x
  2. Step 2: Convert to fraction form
    152,426.40/228,639.60 = 63,679.20/x
  3. Step 3: Cross multiply
    152,426.40x = 228,639.60 × 63,679.20
  4. Step 4: Simplify right side
    152,426.40x = 14,559,586,816.32
  5. Step 5: Solve for x
    x = 14,559,586,816.32/152,426.40
  6. Step 6: Final answer
    x = 95,518.80

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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.