Home / 131,272.49-181,102.10-97,364.40

Finding the Fourth Proportional to 131,272.49, 181,102.10 and 97,364.40

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Solution

The fourth proportional to 131,272.49, 181,102.10 and 97,364.40 is: 134,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,272.49 : 181,102.10 = 97,364.40 : x
  2. Step 2: Convert to fraction form
    131,272.49/181,102.10 = 97,364.40/x
  3. Step 3: Cross multiply
    131,272.49x = 181,102.10 × 97,364.40
  4. Step 4: Simplify right side
    131,272.49x = 17,632,896,818.42
  5. Step 5: Solve for x
    x = 17,632,896,818.42/131,272.49
  6. Step 6: Final answer
    x = 134,322.87

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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.