Home / 134,637.04-185,790.76-74,208.20

Finding the Fourth Proportional to 134,637.04, 185,790.76 and 74,208.20

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Solution

The fourth proportional to 134,637.04, 185,790.76 and 74,208.20 is: 102,402.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,637.04 : 185,790.76 = 74,208.20 : x
  2. Step 2: Convert to fraction form
    134,637.04/185,790.76 = 74,208.20/x
  3. Step 3: Cross multiply
    134,637.04x = 185,790.76 × 74,208.20
  4. Step 4: Simplify right side
    134,637.04x = 13,787,198,224.25
  5. Step 5: Solve for x
    x = 13,787,198,224.25/134,637.04
  6. Step 6: Final answer
    x = 102,402.72

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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.