Home / 153,264.32-211,455.48-92,815.60

Finding the Fourth Proportional to 153,264.32, 211,455.48 and 92,815.60

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Solution

The fourth proportional to 153,264.32, 211,455.48 and 92,815.60 is: 128,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,264.32 : 211,455.48 = 92,815.60 : x
  2. Step 2: Convert to fraction form
    153,264.32/211,455.48 = 92,815.60/x
  3. Step 3: Cross multiply
    153,264.32x = 211,455.48 × 92,815.60
  4. Step 4: Simplify right side
    153,264.32x = 19,626,367,249.49
  5. Step 5: Solve for x
    x = 19,626,367,249.49/153,264.32
  6. Step 6: Final answer
    x = 128,055.68

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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.