Home / 115,929.80-173,894.70-108,931.40

Finding the Fourth Proportional to 115,929.80, 173,894.70 and 108,931.40

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Solution

The fourth proportional to 115,929.80, 173,894.70 and 108,931.40 is: 163,397.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,929.80 : 173,894.70 = 108,931.40 : x
  2. Step 2: Convert to fraction form
    115,929.80/173,894.70 = 108,931.40/x
  3. Step 3: Cross multiply
    115,929.80x = 173,894.70 × 108,931.40
  4. Step 4: Simplify right side
    115,929.80x = 18,942,593,123.58
  5. Step 5: Solve for x
    x = 18,942,593,123.58/115,929.80
  6. Step 6: Final answer
    x = 163,397.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.