Home / 147,569.61-221,396.94-72,712.26

Finding the Fourth Proportional to 147,569.61, 221,396.94 and 72,712.26

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Solution

The fourth proportional to 147,569.61, 221,396.94 and 72,712.26 is: 109,089.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,569.61 : 221,396.94 = 72,712.26 : x
  2. Step 2: Convert to fraction form
    147,569.61/221,396.94 = 72,712.26/x
  3. Step 3: Cross multiply
    147,569.61x = 221,396.94 × 72,712.26
  4. Step 4: Simplify right side
    147,569.61x = 16,098,271,864.48
  5. Step 5: Solve for x
    x = 16,098,271,864.48/147,569.61
  6. Step 6: Final answer
    x = 109,089.34

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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.