Home / 112,270.79-154,929.81-66,925.41

Finding the Fourth Proportional to 112,270.79, 154,929.81 and 66,925.41

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Solution

The fourth proportional to 112,270.79, 154,929.81 and 66,925.41 is: 92,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,270.79 : 154,929.81 = 66,925.41 : x
  2. Step 2: Convert to fraction form
    112,270.79/154,929.81 = 66,925.41/x
  3. Step 3: Cross multiply
    112,270.79x = 154,929.81 × 66,925.41
  4. Step 4: Simplify right side
    112,270.79x = 10,368,740,725.46
  5. Step 5: Solve for x
    x = 10,368,740,725.46/112,270.79
  6. Step 6: Final answer
    x = 92,354.75

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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.