Home / 143,937.29-215,908.64-49,189.16

Finding the Fourth Proportional to 143,937.29, 215,908.64 and 49,189.16

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Solution

The fourth proportional to 143,937.29, 215,908.64 and 49,189.16 is: 73,784.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,937.29 : 215,908.64 = 49,189.16 : x
  2. Step 2: Convert to fraction form
    143,937.29/215,908.64 = 49,189.16/x
  3. Step 3: Cross multiply
    143,937.29x = 215,908.64 × 49,189.16
  4. Step 4: Simplify right side
    143,937.29x = 10,620,364,638.34
  5. Step 5: Solve for x
    x = 10,620,364,638.34/143,937.29
  6. Step 6: Final answer
    x = 73,784.66

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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.