Home / 124,696.80-172,082.61-70,985.30

Finding the Fourth Proportional to 124,696.80, 172,082.61 and 70,985.30

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Solution

The fourth proportional to 124,696.80, 172,082.61 and 70,985.30 is: 97,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,696.80 : 172,082.61 = 70,985.30 : x
  2. Step 2: Convert to fraction form
    124,696.80/172,082.61 = 70,985.30/x
  3. Step 3: Cross multiply
    124,696.80x = 172,082.61 × 70,985.30
  4. Step 4: Simplify right side
    124,696.80x = 12,215,334,835.22
  5. Step 5: Solve for x
    x = 12,215,334,835.22/124,696.80
  6. Step 6: Final answer
    x = 97,960.29

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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.