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Finding the Fourth Proportional to 175,663.08, 262,881.72 and 143,703.72

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Solution

The fourth proportional to 175,663.08, 262,881.72 and 143,703.72 is: 215,054.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,663.08 : 262,881.72 = 143,703.72 : x
  2. Step 2: Convert to fraction form
    175,663.08/262,881.72 = 143,703.72/x
  3. Step 3: Cross multiply
    175,663.08x = 262,881.72 × 143,703.72
  4. Step 4: Simplify right side
    175,663.08x = 37,777,081,084.00
  5. Step 5: Solve for x
    x = 37,777,081,084.00/175,663.08
  6. Step 6: Final answer
    x = 215,054.19

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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.