Home / 123,877.04-185,816.40-30,382.76

Finding the Fourth Proportional to 123,877.04, 185,816.40 and 30,382.76

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Solution

The fourth proportional to 123,877.04, 185,816.40 and 30,382.76 is: 45,574.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,877.04 : 185,816.40 = 30,382.76 : x
  2. Step 2: Convert to fraction form
    123,877.04/185,816.40 = 30,382.76/x
  3. Step 3: Cross multiply
    123,877.04x = 185,816.40 × 30,382.76
  4. Step 4: Simplify right side
    123,877.04x = 5,645,615,085.26
  5. Step 5: Solve for x
    x = 5,645,615,085.26/123,877.04
  6. Step 6: Final answer
    x = 45,574.35

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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.