Home / 112,229.40-154,875.60-61,243.14

Finding the Fourth Proportional to 112,229.40, 154,875.60 and 61,243.14

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Solution

The fourth proportional to 112,229.40, 154,875.60 and 61,243.14 is: 84,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,229.40 : 154,875.60 = 61,243.14 : x
  2. Step 2: Convert to fraction form
    112,229.40/154,875.60 = 61,243.14/x
  3. Step 3: Cross multiply
    112,229.40x = 154,875.60 × 61,243.14
  4. Step 4: Simplify right side
    112,229.40x = 9,485,068,053.38
  5. Step 5: Solve for x
    x = 9,485,068,053.38/112,229.40
  6. Step 6: Final answer
    x = 84,515.00

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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.