Home / 152,428.40-228,642.60-63,681.20

Finding the Fourth Proportional to 152,428.40, 228,642.60 and 63,681.20

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Solution

The fourth proportional to 152,428.40, 228,642.60 and 63,681.20 is: 95,521.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,428.40 : 228,642.60 = 63,681.20 : x
  2. Step 2: Convert to fraction form
    152,428.40/228,642.60 = 63,681.20/x
  3. Step 3: Cross multiply
    152,428.40x = 228,642.60 × 63,681.20
  4. Step 4: Simplify right side
    152,428.40x = 14,560,235,139.12
  5. Step 5: Solve for x
    x = 14,560,235,139.12/152,428.40
  6. Step 6: Final answer
    x = 95,521.80

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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.