Home / 285,281.04-427,989.10-93,154.52

Finding the Fourth Proportional to 285,281.04, 427,989.10 and 93,154.52

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Solution

The fourth proportional to 285,281.04, 427,989.10 and 93,154.52 is: 139,753.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,281.04 : 427,989.10 = 93,154.52 : x
  2. Step 2: Convert to fraction form
    285,281.04/427,989.10 = 93,154.52/x
  3. Step 3: Cross multiply
    285,281.04x = 427,989.10 × 93,154.52
  4. Step 4: Simplify right side
    285,281.04x = 39,869,119,175.73
  5. Step 5: Solve for x
    x = 39,869,119,175.73/285,281.04
  6. Step 6: Final answer
    x = 139,753.83

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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.