Home / 153,119.41-229,725.74-78,292.11

Finding the Fourth Proportional to 153,119.41, 229,725.74 and 78,292.11

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Solution

The fourth proportional to 153,119.41, 229,725.74 and 78,292.11 is: 117,462.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,119.41 : 229,725.74 = 78,292.11 : x
  2. Step 2: Convert to fraction form
    153,119.41/229,725.74 = 78,292.11/x
  3. Step 3: Cross multiply
    153,119.41x = 229,725.74 × 78,292.11
  4. Step 4: Simplify right side
    153,119.41x = 17,985,712,514.45
  5. Step 5: Solve for x
    x = 17,985,712,514.45/153,119.41
  6. Step 6: Final answer
    x = 117,462.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.