Home / 113,869.53-170,689.98-38,938.43

Finding the Fourth Proportional to 113,869.53, 170,689.98 and 38,938.43

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Solution

The fourth proportional to 113,869.53, 170,689.98 and 38,938.43 is: 58,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,869.53 : 170,689.98 = 38,938.43 : x
  2. Step 2: Convert to fraction form
    113,869.53/170,689.98 = 38,938.43/x
  3. Step 3: Cross multiply
    113,869.53x = 170,689.98 × 38,938.43
  4. Step 4: Simplify right side
    113,869.53x = 6,646,398,984.48
  5. Step 5: Solve for x
    x = 6,646,398,984.48/113,869.53
  6. Step 6: Final answer
    x = 58,368.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.