Home / 131,373.16-197,134.77-51,417.66

Finding the Fourth Proportional to 131,373.16, 197,134.77 and 51,417.66

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Solution

The fourth proportional to 131,373.16, 197,134.77 and 51,417.66 is: 77,155.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,373.16 : 197,134.77 = 51,417.66 : x
  2. Step 2: Convert to fraction form
    131,373.16/197,134.77 = 51,417.66/x
  3. Step 3: Cross multiply
    131,373.16x = 197,134.77 × 51,417.66
  4. Step 4: Simplify right side
    131,373.16x = 10,136,208,578.04
  5. Step 5: Solve for x
    x = 10,136,208,578.04/131,373.16
  6. Step 6: Final answer
    x = 77,155.86

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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.