Home / 102,755.10-154,132.65-58,518.30

Finding the Fourth Proportional to 102,755.10, 154,132.65 and 58,518.30

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Solution

The fourth proportional to 102,755.10, 154,132.65 and 58,518.30 is: 87,777.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,755.10 : 154,132.65 = 58,518.30 : x
  2. Step 2: Convert to fraction form
    102,755.10/154,132.65 = 58,518.30/x
  3. Step 3: Cross multiply
    102,755.10x = 154,132.65 × 58,518.30
  4. Step 4: Simplify right side
    102,755.10x = 9,019,580,652.50
  5. Step 5: Solve for x
    x = 9,019,580,652.50/102,755.10
  6. Step 6: Final answer
    x = 87,777.45

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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.