Home / 93,696.04-129,212.90-74,639.17

Finding the Fourth Proportional to 93,696.04, 129,212.90 and 74,639.17

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Solution

The fourth proportional to 93,696.04, 129,212.90 and 74,639.17 is: 102,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,696.04 : 129,212.90 = 74,639.17 : x
  2. Step 2: Convert to fraction form
    93,696.04/129,212.90 = 74,639.17/x
  3. Step 3: Cross multiply
    93,696.04x = 129,212.90 × 74,639.17
  4. Step 4: Simplify right side
    93,696.04x = 9,644,342,963.23
  5. Step 5: Solve for x
    x = 9,644,342,963.23/93,696.04
  6. Step 6: Final answer
    x = 102,932.24

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1.5x scale

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.