Home / 175,811.64-242,618.76-100,359.96

Finding the Fourth Proportional to 175,811.64, 242,618.76 and 100,359.96

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Solution

The fourth proportional to 175,811.64, 242,618.76 and 100,359.96 is: 138,496.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,811.64 : 242,618.76 = 100,359.96 : x
  2. Step 2: Convert to fraction form
    175,811.64/242,618.76 = 100,359.96/x
  3. Step 3: Cross multiply
    175,811.64x = 242,618.76 × 100,359.96
  4. Step 4: Simplify right side
    175,811.64x = 24,349,209,048.85
  5. Step 5: Solve for x
    x = 24,349,209,048.85/175,811.64
  6. Step 6: Final answer
    x = 138,496.00

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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.