Home / 153,005.40-229,419-59,401.80

Finding the Fourth Proportional to 153,005.40, 229,419 and 59,401.80

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Solution

The fourth proportional to 153,005.40, 229,419 and 59,401.80 is: 89,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,005.40 : 229,419 = 59,401.80 : x
  2. Step 2: Convert to fraction form
    153,005.40/229,419 = 59,401.80/x
  3. Step 3: Cross multiply
    153,005.40x = 229,419 × 59,401.80
  4. Step 4: Simplify right side
    153,005.40x = 13,627,901,554.20
  5. Step 5: Solve for x
    x = 13,627,901,554.20/153,005.40
  6. Step 6: Final answer
    x = 89,068.11

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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.