Home / 221,875.36-306,214.97-125,097.85

Finding the Fourth Proportional to 221,875.36, 306,214.97 and 125,097.85

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Solution

The fourth proportional to 221,875.36, 306,214.97 and 125,097.85 is: 172,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,875.36 : 306,214.97 = 125,097.85 : x
  2. Step 2: Convert to fraction form
    221,875.36/306,214.97 = 125,097.85/x
  3. Step 3: Cross multiply
    221,875.36x = 306,214.97 × 125,097.85
  4. Step 4: Simplify right side
    221,875.36x = 38,306,834,384.81
  5. Step 5: Solve for x
    x = 38,306,834,384.81/221,875.36
  6. Step 6: Final answer
    x = 172,650.24

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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.