Home / 187,433.34-280,977.53-101,919.26

Finding the Fourth Proportional to 187,433.34, 280,977.53 and 101,919.26

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Solution

The fourth proportional to 187,433.34, 280,977.53 and 101,919.26 is: 152,785.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,433.34 : 280,977.53 = 101,919.26 : x
  2. Step 2: Convert to fraction form
    187,433.34/280,977.53 = 101,919.26/x
  3. Step 3: Cross multiply
    187,433.34x = 280,977.53 × 101,919.26
  4. Step 4: Simplify right side
    187,433.34x = 28,637,022,127.08
  5. Step 5: Solve for x
    x = 28,637,022,127.08/187,433.34
  6. Step 6: Final answer
    x = 152,785.10

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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.