Home / 153,029.52-211,176.44-85,044.72

Finding the Fourth Proportional to 153,029.52, 211,176.44 and 85,044.72

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Solution

The fourth proportional to 153,029.52, 211,176.44 and 85,044.72 is: 117,359.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,029.52 : 211,176.44 = 85,044.72 : x
  2. Step 2: Convert to fraction form
    153,029.52/211,176.44 = 85,044.72/x
  3. Step 3: Cross multiply
    153,029.52x = 211,176.44 × 85,044.72
  4. Step 4: Simplify right side
    153,029.52x = 17,959,441,210.40
  5. Step 5: Solve for x
    x = 17,959,441,210.40/153,029.52
  6. Step 6: Final answer
    x = 117,359.33

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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.