Home / 147,392.40-221,087.70-42,211.56

Finding the Fourth Proportional to 147,392.40, 221,087.70 and 42,211.56

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Solution

The fourth proportional to 147,392.40, 221,087.70 and 42,211.56 is: 63,317.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,392.40 : 221,087.70 = 42,211.56 : x
  2. Step 2: Convert to fraction form
    147,392.40/221,087.70 = 42,211.56/x
  3. Step 3: Cross multiply
    147,392.40x = 221,087.70 × 42,211.56
  4. Step 4: Simplify right side
    147,392.40x = 9,332,456,713.81
  5. Step 5: Solve for x
    x = 9,332,456,713.81/147,392.40
  6. Step 6: Final answer
    x = 63,317.08

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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.