Home / 145,608.42-200,908.56-85,167.24

Finding the Fourth Proportional to 145,608.42, 200,908.56 and 85,167.24

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Solution

The fourth proportional to 145,608.42, 200,908.56 and 85,167.24 is: 117,512.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,608.42 : 200,908.56 = 85,167.24 : x
  2. Step 2: Convert to fraction form
    145,608.42/200,908.56 = 85,167.24/x
  3. Step 3: Cross multiply
    145,608.42x = 200,908.56 × 85,167.24
  4. Step 4: Simplify right side
    145,608.42x = 17,110,827,547.57
  5. Step 5: Solve for x
    x = 17,110,827,547.57/145,608.42
  6. Step 6: Final answer
    x = 117,512.62

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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.