Home / 103,719.40-155,220.70-62,196.20

Finding the Fourth Proportional to 103,719.40, 155,220.70 and 62,196.20

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Solution

The fourth proportional to 103,719.40, 155,220.70 and 62,196.20 is: 93,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,719.40 : 155,220.70 = 62,196.20 : x
  2. Step 2: Convert to fraction form
    103,719.40/155,220.70 = 62,196.20/x
  3. Step 3: Cross multiply
    103,719.40x = 155,220.70 × 62,196.20
  4. Step 4: Simplify right side
    103,719.40x = 9,654,137,701.34
  5. Step 5: Solve for x
    x = 9,654,137,701.34/103,719.40
  6. Step 6: Final answer
    x = 93,079.38

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1.5x scale

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.