Home / 245,132.60-367,698.90-139,962.20

Finding the Fourth Proportional to 245,132.60, 367,698.90 and 139,962.20

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Solution

The fourth proportional to 245,132.60, 367,698.90 and 139,962.20 is: 209,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,132.60 : 367,698.90 = 139,962.20 : x
  2. Step 2: Convert to fraction form
    245,132.60/367,698.90 = 139,962.20/x
  3. Step 3: Cross multiply
    245,132.60x = 367,698.90 × 139,962.20
  4. Step 4: Simplify right side
    245,132.60x = 51,463,946,981.58
  5. Step 5: Solve for x
    x = 51,463,946,981.58/245,132.60
  6. Step 6: Final answer
    x = 209,943.30

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1.5x scale

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.