Home / 147,914.20-221,871.30-102,643.30

Finding the Fourth Proportional to 147,914.20, 221,871.30 and 102,643.30

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Solution

The fourth proportional to 147,914.20, 221,871.30 and 102,643.30 is: 153,964.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,914.20 : 221,871.30 = 102,643.30 : x
  2. Step 2: Convert to fraction form
    147,914.20/221,871.30 = 102,643.30/x
  3. Step 3: Cross multiply
    147,914.20x = 221,871.30 × 102,643.30
  4. Step 4: Simplify right side
    147,914.20x = 22,773,602,407.29
  5. Step 5: Solve for x
    x = 22,773,602,407.29/147,914.20
  6. Step 6: Final answer
    x = 153,964.95

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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.