Home / 152,038.76-228,023.49-57,278.75

Finding the Fourth Proportional to 152,038.76, 228,023.49 and 57,278.75

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Solution

The fourth proportional to 152,038.76, 228,023.49 and 57,278.75 is: 85,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,038.76 : 228,023.49 = 57,278.75 : x
  2. Step 2: Convert to fraction form
    152,038.76/228,023.49 = 57,278.75/x
  3. Step 3: Cross multiply
    152,038.76x = 228,023.49 × 57,278.75
  4. Step 4: Simplify right side
    152,038.76x = 13,060,900,477.84
  5. Step 5: Solve for x
    x = 13,060,900,477.84/152,038.76
  6. Step 6: Final answer
    x = 85,905.07

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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.