Home / 111,077.04-153,282.51-63,345.75

Finding the Fourth Proportional to 111,077.04, 153,282.51 and 63,345.75

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Solution

The fourth proportional to 111,077.04, 153,282.51 and 63,345.75 is: 87,414.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,077.04 : 153,282.51 = 63,345.75 : x
  2. Step 2: Convert to fraction form
    111,077.04/153,282.51 = 63,345.75/x
  3. Step 3: Cross multiply
    111,077.04x = 153,282.51 × 63,345.75
  4. Step 4: Simplify right side
    111,077.04x = 9,709,795,703.49
  5. Step 5: Solve for x
    x = 9,709,795,703.49/111,077.04
  6. Step 6: Final answer
    x = 87,414.96

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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.