Home / 147,136.16-220,717.20-47,305.28

Finding the Fourth Proportional to 147,136.16, 220,717.20 and 47,305.28

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Solution

The fourth proportional to 147,136.16, 220,717.20 and 47,305.28 is: 70,962.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,136.16 : 220,717.20 = 47,305.28 : x
  2. Step 2: Convert to fraction form
    147,136.16/220,717.20 = 47,305.28/x
  3. Step 3: Cross multiply
    147,136.16x = 220,717.20 × 47,305.28
  4. Step 4: Simplify right side
    147,136.16x = 10,441,088,946.82
  5. Step 5: Solve for x
    x = 10,441,088,946.82/147,136.16
  6. Step 6: Final answer
    x = 70,962.09

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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.