Home / 147,392.93-221,136.12-52,621.08

Finding the Fourth Proportional to 147,392.93, 221,136.12 and 52,621.08

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Solution

The fourth proportional to 147,392.93, 221,136.12 and 52,621.08 is: 78,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,392.93 : 221,136.12 = 52,621.08 : x
  2. Step 2: Convert to fraction form
    147,392.93/221,136.12 = 52,621.08/x
  3. Step 3: Cross multiply
    147,392.93x = 221,136.12 × 52,621.08
  4. Step 4: Simplify right side
    147,392.93x = 11,636,421,461.41
  5. Step 5: Solve for x
    x = 11,636,421,461.41/147,392.93
  6. Step 6: Final answer
    x = 78,948.30

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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.