Home / 102,108.18-153,109.60-45,900.24

Finding the Fourth Proportional to 102,108.18, 153,109.60 and 45,900.24

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Solution

The fourth proportional to 102,108.18, 153,109.60 and 45,900.24 is: 68,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,108.18 : 153,109.60 = 45,900.24 : x
  2. Step 2: Convert to fraction form
    102,108.18/153,109.60 = 45,900.24/x
  3. Step 3: Cross multiply
    102,108.18x = 153,109.60 × 45,900.24
  4. Step 4: Simplify right side
    102,108.18x = 7,027,767,386.30
  5. Step 5: Solve for x
    x = 7,027,767,386.30/102,108.18
  6. Step 6: Final answer
    x = 68,826.68

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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.