Home / 145,531.71-200,827.07-102,528.46

Finding the Fourth Proportional to 145,531.71, 200,827.07 and 102,528.46

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Solution

The fourth proportional to 145,531.71, 200,827.07 and 102,528.46 is: 141,484.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,531.71 : 200,827.07 = 102,528.46 : x
  2. Step 2: Convert to fraction form
    145,531.71/200,827.07 = 102,528.46/x
  3. Step 3: Cross multiply
    145,531.71x = 200,827.07 × 102,528.46
  4. Step 4: Simplify right side
    145,531.71x = 20,590,490,213.41
  5. Step 5: Solve for x
    x = 20,590,490,213.41/145,531.71
  6. Step 6: Final answer
    x = 141,484.56

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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.