Home / 272,216.04-407,968.74-138,983.64

Finding the Fourth Proportional to 272,216.04, 407,968.74 and 138,983.64

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Solution

The fourth proportional to 272,216.04, 407,968.74 and 138,983.64 is: 208,294.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,216.04 : 407,968.74 = 138,983.64 : x
  2. Step 2: Convert to fraction form
    272,216.04/407,968.74 = 138,983.64/x
  3. Step 3: Cross multiply
    272,216.04x = 407,968.74 × 138,983.64
  4. Step 4: Simplify right side
    272,216.04x = 56,700,980,491.41
  5. Step 5: Solve for x
    x = 56,700,980,491.41/272,216.04
  6. Step 6: Final answer
    x = 208,294.05

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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.