Home / 102,752.16-154,069.86-61,228.32

Finding the Fourth Proportional to 102,752.16, 154,069.86 and 61,228.32

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Solution

The fourth proportional to 102,752.16, 154,069.86 and 61,228.32 is: 91,807.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,752.16 : 154,069.86 = 61,228.32 : x
  2. Step 2: Convert to fraction form
    102,752.16/154,069.86 = 61,228.32/x
  3. Step 3: Cross multiply
    102,752.16x = 154,069.86 × 61,228.32
  4. Step 4: Simplify right side
    102,752.16x = 9,433,438,690.44
  5. Step 5: Solve for x
    x = 9,433,438,690.44/102,752.16
  6. Step 6: Final answer
    x = 91,807.69

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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.