Home / 147,436.80-221,166.74-52,687.45

Finding the Fourth Proportional to 147,436.80, 221,166.74 and 52,687.45

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Solution

The fourth proportional to 147,436.80, 221,166.74 and 52,687.45 is: 79,035.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,436.80 : 221,166.74 = 52,687.45 : x
  2. Step 2: Convert to fraction form
    147,436.80/221,166.74 = 52,687.45/x
  3. Step 3: Cross multiply
    147,436.80x = 221,166.74 × 52,687.45
  4. Step 4: Simplify right side
    147,436.80x = 11,652,711,555.41
  5. Step 5: Solve for x
    x = 11,652,711,555.41/147,436.80
  6. Step 6: Final answer
    x = 79,035.30

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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.