Home / 153,025.07-211,174.74-85,048.40

Finding the Fourth Proportional to 153,025.07, 211,174.74 and 85,048.40

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Solution

The fourth proportional to 153,025.07, 211,174.74 and 85,048.40 is: 117,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,025.07 : 211,174.74 = 85,048.40 : x
  2. Step 2: Convert to fraction form
    153,025.07/211,174.74 = 85,048.40/x
  3. Step 3: Cross multiply
    153,025.07x = 211,174.74 × 85,048.40
  4. Step 4: Simplify right side
    153,025.07x = 17,960,074,285.35
  5. Step 5: Solve for x
    x = 17,960,074,285.35/153,025.07
  6. Step 6: Final answer
    x = 117,366.88

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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.