Home / 180,703.35-249,366.89-100,130.16

Finding the Fourth Proportional to 180,703.35, 249,366.89 and 100,130.16

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Solution

The fourth proportional to 180,703.35, 249,366.89 and 100,130.16 is: 138,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,703.35 : 249,366.89 = 100,130.16 : x
  2. Step 2: Convert to fraction form
    180,703.35/249,366.89 = 100,130.16/x
  3. Step 3: Cross multiply
    180,703.35x = 249,366.89 × 100,130.16
  4. Step 4: Simplify right side
    180,703.35x = 24,969,146,093.75
  5. Step 5: Solve for x
    x = 24,969,146,093.75/180,703.35
  6. Step 6: Final answer
    x = 138,177.55

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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.