Home / 131,564.52-181,705.95-89,049.24

Finding the Fourth Proportional to 131,564.52, 181,705.95 and 89,049.24

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Solution

The fourth proportional to 131,564.52, 181,705.95 and 89,049.24 is: 122,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,564.52 : 181,705.95 = 89,049.24 : x
  2. Step 2: Convert to fraction form
    131,564.52/181,705.95 = 89,049.24/x
  3. Step 3: Cross multiply
    131,564.52x = 181,705.95 × 89,049.24
  4. Step 4: Simplify right side
    131,564.52x = 16,180,776,750.98
  5. Step 5: Solve for x
    x = 16,180,776,750.98/131,564.52
  6. Step 6: Final answer
    x = 122,987.39

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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.