Home / 145,422.42-200,615.58-84,995.61

Finding the Fourth Proportional to 145,422.42, 200,615.58 and 84,995.61

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Solution

The fourth proportional to 145,422.42, 200,615.58 and 84,995.61 is: 117,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,422.42 : 200,615.58 = 84,995.61 : x
  2. Step 2: Convert to fraction form
    145,422.42/200,615.58 = 84,995.61/x
  3. Step 3: Cross multiply
    145,422.42x = 200,615.58 × 84,995.61
  4. Step 4: Simplify right side
    145,422.42x = 17,051,443,597.60
  5. Step 5: Solve for x
    x = 17,051,443,597.60/145,422.42
  6. Step 6: Final answer
    x = 117,254.57

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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.