Home / 141,484-195,275.66-81,095.13

Finding the Fourth Proportional to 141,484, 195,275.66 and 81,095.13

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Solution

The fourth proportional to 141,484, 195,275.66 and 81,095.13 is: 111,927.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,484 : 195,275.66 = 81,095.13 : x
  2. Step 2: Convert to fraction form
    141,484/195,275.66 = 81,095.13/x
  3. Step 3: Cross multiply
    141,484x = 195,275.66 × 81,095.13
  4. Step 4: Simplify right side
    141,484x = 15,835,905,033.54
  5. Step 5: Solve for x
    x = 15,835,905,033.54/141,484
  6. Step 6: Final answer
    x = 111,927.18

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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.