Home / 145,904.03-201,397.82-85,494.23

Finding the Fourth Proportional to 145,904.03, 201,397.82 and 85,494.23

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Solution

The fourth proportional to 145,904.03, 201,397.82 and 85,494.23 is: 118,011.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,904.03 : 201,397.82 = 85,494.23 : x
  2. Step 2: Convert to fraction form
    145,904.03/201,397.82 = 85,494.23/x
  3. Step 3: Cross multiply
    145,904.03x = 201,397.82 × 85,494.23
  4. Step 4: Simplify right side
    145,904.03x = 17,218,351,544.58
  5. Step 5: Solve for x
    x = 17,218,351,544.58/145,904.03
  6. Step 6: Final answer
    x = 118,011.49

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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.