Home / 102,440.76-153,624.24-43,281.05

Finding the Fourth Proportional to 102,440.76, 153,624.24 and 43,281.05

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Solution

The fourth proportional to 102,440.76, 153,624.24 and 43,281.05 is: 64,905.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,440.76 : 153,624.24 = 43,281.05 : x
  2. Step 2: Convert to fraction form
    102,440.76/153,624.24 = 43,281.05/x
  3. Step 3: Cross multiply
    102,440.76x = 153,624.24 × 43,281.05
  4. Step 4: Simplify right side
    102,440.76x = 6,649,018,412.65
  5. Step 5: Solve for x
    x = 6,649,018,412.65/102,440.76
  6. Step 6: Final answer
    x = 64,905.98

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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.