Home / 129,258.65-178,326.02-95,348.81

Finding the Fourth Proportional to 129,258.65, 178,326.02 and 95,348.81

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Solution

The fourth proportional to 129,258.65, 178,326.02 and 95,348.81 is: 131,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,258.65 : 178,326.02 = 95,348.81 : x
  2. Step 2: Convert to fraction form
    129,258.65/178,326.02 = 95,348.81/x
  3. Step 3: Cross multiply
    129,258.65x = 178,326.02 × 95,348.81
  4. Step 4: Simplify right side
    129,258.65x = 17,003,174,483.22
  5. Step 5: Solve for x
    x = 17,003,174,483.22/129,258.65
  6. Step 6: Final answer
    x = 131,543.80

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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.