Home / 147,422.53-221,133.80-42,241.50

Finding the Fourth Proportional to 147,422.53, 221,133.80 and 42,241.50

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Solution

The fourth proportional to 147,422.53, 221,133.80 and 42,241.50 is: 63,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,422.53 : 221,133.80 = 42,241.50 : x
  2. Step 2: Convert to fraction form
    147,422.53/221,133.80 = 42,241.50/x
  3. Step 3: Cross multiply
    147,422.53x = 221,133.80 × 42,241.50
  4. Step 4: Simplify right side
    147,422.53x = 9,341,023,280.70
  5. Step 5: Solve for x
    x = 9,341,023,280.70/147,422.53
  6. Step 6: Final answer
    x = 63,362.25

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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.