Home / 213,869.40-320,924.60-147,362.76

Finding the Fourth Proportional to 213,869.40, 320,924.60 and 147,362.76

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Solution

The fourth proportional to 213,869.40, 320,924.60 and 147,362.76 is: 221,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,869.40 : 320,924.60 = 147,362.76 : x
  2. Step 2: Convert to fraction form
    213,869.40/320,924.60 = 147,362.76/x
  3. Step 3: Cross multiply
    213,869.40x = 320,924.60 × 147,362.76
  4. Step 4: Simplify right side
    213,869.40x = 47,292,334,807.90
  5. Step 5: Solve for x
    x = 47,292,334,807.90/213,869.40
  6. Step 6: Final answer
    x = 221,127.17

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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.