Home / 158,013.44-218,005.12-89,982.18

Finding the Fourth Proportional to 158,013.44, 218,005.12 and 89,982.18

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Solution

The fourth proportional to 158,013.44, 218,005.12 and 89,982.18 is: 124,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,013.44 : 218,005.12 = 89,982.18 : x
  2. Step 2: Convert to fraction form
    158,013.44/218,005.12 = 89,982.18/x
  3. Step 3: Cross multiply
    158,013.44x = 218,005.12 × 89,982.18
  4. Step 4: Simplify right side
    158,013.44x = 19,616,575,948.76
  5. Step 5: Solve for x
    x = 19,616,575,948.76/158,013.44
  6. Step 6: Final answer
    x = 124,144.98

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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.