Home / 134,471.85-185,569.65-74,041.26

Finding the Fourth Proportional to 134,471.85, 185,569.65 and 74,041.26

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Solution

The fourth proportional to 134,471.85, 185,569.65 and 74,041.26 is: 102,176.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,471.85 : 185,569.65 = 74,041.26 : x
  2. Step 2: Convert to fraction form
    134,471.85/185,569.65 = 74,041.26/x
  3. Step 3: Cross multiply
    134,471.85x = 185,569.65 × 74,041.26
  4. Step 4: Simplify right side
    134,471.85x = 13,739,810,703.76
  5. Step 5: Solve for x
    x = 13,739,810,703.76/134,471.85
  6. Step 6: Final answer
    x = 102,176.11

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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.