Home / 112,926.47-155,837.46-61,938.15

Finding the Fourth Proportional to 112,926.47, 155,837.46 and 61,938.15

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Solution

The fourth proportional to 112,926.47, 155,837.46 and 61,938.15 is: 85,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,926.47 : 155,837.46 = 61,938.15 : x
  2. Step 2: Convert to fraction form
    112,926.47/155,837.46 = 61,938.15/x
  3. Step 3: Cross multiply
    112,926.47x = 155,837.46 × 61,938.15
  4. Step 4: Simplify right side
    112,926.47x = 9,652,283,973.10
  5. Step 5: Solve for x
    x = 9,652,283,973.10/112,926.47
  6. Step 6: Final answer
    x = 85,474.06

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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.