Home / 180,618.56-249,250.98-100,045.82

Finding the Fourth Proportional to 180,618.56, 249,250.98 and 100,045.82

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Solution

The fourth proportional to 180,618.56, 249,250.98 and 100,045.82 is: 138,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,618.56 : 249,250.98 = 100,045.82 : x
  2. Step 2: Convert to fraction form
    180,618.56/249,250.98 = 100,045.82/x
  3. Step 3: Cross multiply
    180,618.56x = 249,250.98 × 100,045.82
  4. Step 4: Simplify right side
    180,618.56x = 24,936,518,679.90
  5. Step 5: Solve for x
    x = 24,936,518,679.90/180,618.56
  6. Step 6: Final answer
    x = 138,061.77

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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.