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Finding the Fourth Proportional to 110,370.82, 152,293.40 and 65,042.65

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Solution

The fourth proportional to 110,370.82, 152,293.40 and 65,042.65 is: 89,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,370.82 : 152,293.40 = 65,042.65 : x
  2. Step 2: Convert to fraction form
    110,370.82/152,293.40 = 65,042.65/x
  3. Step 3: Cross multiply
    110,370.82x = 152,293.40 × 65,042.65
  4. Step 4: Simplify right side
    110,370.82x = 9,905,565,840.32
  5. Step 5: Solve for x
    x = 9,905,565,840.32/110,370.82
  6. Step 6: Final answer
    x = 89,748.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.