Home / 124,696.18-172,080.92-70,981.21

Finding the Fourth Proportional to 124,696.18, 172,080.92 and 70,981.21

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Solution

The fourth proportional to 124,696.18, 172,080.92 and 70,981.21 is: 97,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,696.18 : 172,080.92 = 70,981.21 : x
  2. Step 2: Convert to fraction form
    124,696.18/172,080.92 = 70,981.21/x
  3. Step 3: Cross multiply
    124,696.18x = 172,080.92 × 70,981.21
  4. Step 4: Simplify right side
    124,696.18x = 12,214,512,312.07
  5. Step 5: Solve for x
    x = 12,214,512,312.07/124,696.18
  6. Step 6: Final answer
    x = 97,954.18

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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.