Home / 152,425.40-228,638.10-63,678.20

Finding the Fourth Proportional to 152,425.40, 228,638.10 and 63,678.20

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Solution

The fourth proportional to 152,425.40, 228,638.10 and 63,678.20 is: 95,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,425.40 : 228,638.10 = 63,678.20 : x
  2. Step 2: Convert to fraction form
    152,425.40/228,638.10 = 63,678.20/x
  3. Step 3: Cross multiply
    152,425.40x = 228,638.10 × 63,678.20
  4. Step 4: Simplify right side
    152,425.40x = 14,559,262,659.42
  5. Step 5: Solve for x
    x = 14,559,262,659.42/152,425.40
  6. Step 6: Final answer
    x = 95,517.30

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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.