Home / 180,876.04-249,609.60-100,311.01

Finding the Fourth Proportional to 180,876.04, 249,609.60 and 100,311.01

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Solution

The fourth proportional to 180,876.04, 249,609.60 and 100,311.01 is: 138,429.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,876.04 : 249,609.60 = 100,311.01 : x
  2. Step 2: Convert to fraction form
    180,876.04/249,609.60 = 100,311.01/x
  3. Step 3: Cross multiply
    180,876.04x = 249,609.60 × 100,311.01
  4. Step 4: Simplify right side
    180,876.04x = 25,038,590,457.67
  5. Step 5: Solve for x
    x = 25,038,590,457.67/180,876.04
  6. Step 6: Final answer
    x = 138,429.56

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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.