Home / 110,215.64-152,095.88-61,817.56

Finding the Fourth Proportional to 110,215.64, 152,095.88 and 61,817.56

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Solution

The fourth proportional to 110,215.64, 152,095.88 and 61,817.56 is: 85,307.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,215.64 : 152,095.88 = 61,817.56 : x
  2. Step 2: Convert to fraction form
    110,215.64/152,095.88 = 61,817.56/x
  3. Step 3: Cross multiply
    110,215.64x = 152,095.88 × 61,817.56
  4. Step 4: Simplify right side
    110,215.64x = 9,402,195,961.96
  5. Step 5: Solve for x
    x = 9,402,195,961.96/110,215.64
  6. Step 6: Final answer
    x = 85,307.27

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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.