Home / 134,380.23-185,449.05-77,030.40

Finding the Fourth Proportional to 134,380.23, 185,449.05 and 77,030.40

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Solution

The fourth proportional to 134,380.23, 185,449.05 and 77,030.40 is: 106,304.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,380.23 : 185,449.05 = 77,030.40 : x
  2. Step 2: Convert to fraction form
    134,380.23/185,449.05 = 77,030.40/x
  3. Step 3: Cross multiply
    134,380.23x = 185,449.05 × 77,030.40
  4. Step 4: Simplify right side
    134,380.23x = 14,285,214,501.12
  5. Step 5: Solve for x
    x = 14,285,214,501.12/134,380.23
  6. Step 6: Final answer
    x = 106,304.44

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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.