Home / 111,089.40-153,307.44-63,342.24

Finding the Fourth Proportional to 111,089.40, 153,307.44 and 63,342.24

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Solution

The fourth proportional to 111,089.40, 153,307.44 and 63,342.24 is: 87,414.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,089.40 : 153,307.44 = 63,342.24 : x
  2. Step 2: Convert to fraction form
    111,089.40/153,307.44 = 63,342.24/x
  3. Step 3: Cross multiply
    111,089.40x = 153,307.44 × 63,342.24
  4. Step 4: Simplify right side
    111,089.40x = 9,710,836,658.27
  5. Step 5: Solve for x
    x = 9,710,836,658.27/111,089.40
  6. Step 6: Final answer
    x = 87,414.61

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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.