Home / 131,803.61-181,889.16-71,374.35

Finding the Fourth Proportional to 131,803.61, 181,889.16 and 71,374.35

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Solution

The fourth proportional to 131,803.61, 181,889.16 and 71,374.35 is: 98,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,803.61 : 181,889.16 = 71,374.35 : x
  2. Step 2: Convert to fraction form
    131,803.61/181,889.16 = 71,374.35/x
  3. Step 3: Cross multiply
    131,803.61x = 181,889.16 × 71,374.35
  4. Step 4: Simplify right side
    131,803.61x = 12,982,220,210.17
  5. Step 5: Solve for x
    x = 12,982,220,210.17/131,803.61
  6. Step 6: Final answer
    x = 98,496.70

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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.