Home / 153,033.98-211,162.76-88,479.21

Finding the Fourth Proportional to 153,033.98, 211,162.76 and 88,479.21

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Solution

The fourth proportional to 153,033.98, 211,162.76 and 88,479.21 is: 122,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,033.98 : 211,162.76 = 88,479.21 : x
  2. Step 2: Convert to fraction form
    153,033.98/211,162.76 = 88,479.21/x
  3. Step 3: Cross multiply
    153,033.98x = 211,162.76 × 88,479.21
  4. Step 4: Simplify right side
    153,033.98x = 18,683,514,186.22
  5. Step 5: Solve for x
    x = 18,683,514,186.22/153,033.98
  6. Step 6: Final answer
    x = 122,087.36

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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.