Home / 106,860.57-147,466.98-59,112.89

Finding the Fourth Proportional to 106,860.57, 147,466.98 and 59,112.89

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Solution

The fourth proportional to 106,860.57, 147,466.98 and 59,112.89 is: 81,575.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,860.57 : 147,466.98 = 59,112.89 : x
  2. Step 2: Convert to fraction form
    106,860.57/147,466.98 = 59,112.89/x
  3. Step 3: Cross multiply
    106,860.57x = 147,466.98 × 59,112.89
  4. Step 4: Simplify right side
    106,860.57x = 8,717,199,183.04
  5. Step 5: Solve for x
    x = 8,717,199,183.04/106,860.57
  6. Step 6: Final answer
    x = 81,575.45

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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.