Home / 131,737.41-181,801.17-80,036.91

Finding the Fourth Proportional to 131,737.41, 181,801.17 and 80,036.91

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Solution

The fourth proportional to 131,737.41, 181,801.17 and 80,036.91 is: 110,453.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,737.41 : 181,801.17 = 80,036.91 : x
  2. Step 2: Convert to fraction form
    131,737.41/181,801.17 = 80,036.91/x
  3. Step 3: Cross multiply
    131,737.41x = 181,801.17 × 80,036.91
  4. Step 4: Simplify right side
    131,737.41x = 14,550,803,881.18
  5. Step 5: Solve for x
    x = 14,550,803,881.18/131,737.41
  6. Step 6: Final answer
    x = 110,453.09

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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.