Home / 146,749.16-202,513.92-79,681.16

Finding the Fourth Proportional to 146,749.16, 202,513.92 and 79,681.16

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Solution

The fourth proportional to 146,749.16, 202,513.92 and 79,681.16 is: 109,960.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,749.16 : 202,513.92 = 79,681.16 : x
  2. Step 2: Convert to fraction form
    146,749.16/202,513.92 = 79,681.16/x
  3. Step 3: Cross multiply
    146,749.16x = 202,513.92 × 79,681.16
  4. Step 4: Simplify right side
    146,749.16x = 16,136,544,061.75
  5. Step 5: Solve for x
    x = 16,136,544,061.75/146,749.16
  6. Step 6: Final answer
    x = 109,960.04

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1.5x scale

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.