Home / 157,017.12-235,385.34-57,106.90

Finding the Fourth Proportional to 157,017.12, 235,385.34 and 57,106.90

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Solution

The fourth proportional to 157,017.12, 235,385.34 and 57,106.90 is: 85,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,017.12 : 235,385.34 = 57,106.90 : x
  2. Step 2: Convert to fraction form
    157,017.12/235,385.34 = 57,106.90/x
  3. Step 3: Cross multiply
    157,017.12x = 235,385.34 × 57,106.90
  4. Step 4: Simplify right side
    157,017.12x = 13,442,127,072.85
  5. Step 5: Solve for x
    x = 13,442,127,072.85/157,017.12
  6. Step 6: Final answer
    x = 85,609.31

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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.