Home / 180,892.04-249,630.93-100,331.87

Finding the Fourth Proportional to 180,892.04, 249,630.93 and 100,331.87

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Solution

The fourth proportional to 180,892.04, 249,630.93 and 100,331.87 is: 138,457.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,892.04 : 249,630.93 = 100,331.87 : x
  2. Step 2: Convert to fraction form
    180,892.04/249,630.93 = 100,331.87/x
  3. Step 3: Cross multiply
    180,892.04x = 249,630.93 × 100,331.87
  4. Step 4: Simplify right side
    180,892.04x = 25,045,936,768.58
  5. Step 5: Solve for x
    x = 25,045,936,768.58/180,892.04
  6. Step 6: Final answer
    x = 138,457.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.