Home / 180,946.82-249,686.46-100,354.14

Finding the Fourth Proportional to 180,946.82, 249,686.46 and 100,354.14

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Solution

The fourth proportional to 180,946.82, 249,686.46 and 100,354.14 is: 138,477.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,946.82 : 249,686.46 = 100,354.14 : x
  2. Step 2: Convert to fraction form
    180,946.82/249,686.46 = 100,354.14/x
  3. Step 3: Cross multiply
    180,946.82x = 249,686.46 × 100,354.14
  4. Step 4: Simplify right side
    180,946.82x = 25,057,069,962.94
  5. Step 5: Solve for x
    x = 25,057,069,962.94/180,946.82
  6. Step 6: Final answer
    x = 138,477.54

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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.