Home / 145,860.24-201,354.33-85,422.48

Finding the Fourth Proportional to 145,860.24, 201,354.33 and 85,422.48

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Solution

The fourth proportional to 145,860.24, 201,354.33 and 85,422.48 is: 117,922.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,860.24 : 201,354.33 = 85,422.48 : x
  2. Step 2: Convert to fraction form
    145,860.24/201,354.33 = 85,422.48/x
  3. Step 3: Cross multiply
    145,860.24x = 201,354.33 × 85,422.48
  4. Step 4: Simplify right side
    145,860.24x = 17,200,186,227.34
  5. Step 5: Solve for x
    x = 17,200,186,227.34/145,860.24
  6. Step 6: Final answer
    x = 117,922.38

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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.