Home / 152,649.72-228,927.90-105,567.40

Finding the Fourth Proportional to 152,649.72, 228,927.90 and 105,567.40

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Solution

The fourth proportional to 152,649.72, 228,927.90 and 105,567.40 is: 158,318.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,649.72 : 228,927.90 = 105,567.40 : x
  2. Step 2: Convert to fraction form
    152,649.72/228,927.90 = 105,567.40/x
  3. Step 3: Cross multiply
    152,649.72x = 228,927.90 × 105,567.40
  4. Step 4: Simplify right side
    152,649.72x = 24,167,323,190.46
  5. Step 5: Solve for x
    x = 24,167,323,190.46/152,649.72
  6. Step 6: Final answer
    x = 158,318.82

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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.