Home / 180,653.07-249,302.98-100,082.31

Finding the Fourth Proportional to 180,653.07, 249,302.98 and 100,082.31

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Solution

The fourth proportional to 180,653.07, 249,302.98 and 100,082.31 is: 138,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,653.07 : 249,302.98 = 100,082.31 : x
  2. Step 2: Convert to fraction form
    180,653.07/249,302.98 = 100,082.31/x
  3. Step 3: Cross multiply
    180,653.07x = 249,302.98 × 100,082.31
  4. Step 4: Simplify right side
    180,653.07x = 24,950,818,128.28
  5. Step 5: Solve for x
    x = 24,950,818,128.28/180,653.07
  6. Step 6: Final answer
    x = 138,114.55

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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.