Home / 134,463.63-185,570.55-77,108.22

Finding the Fourth Proportional to 134,463.63, 185,570.55 and 77,108.22

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Solution

The fourth proportional to 134,463.63, 185,570.55 and 77,108.22 is: 106,415.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,463.63 : 185,570.55 = 77,108.22 : x
  2. Step 2: Convert to fraction form
    134,463.63/185,570.55 = 77,108.22/x
  3. Step 3: Cross multiply
    134,463.63x = 185,570.55 × 77,108.22
  4. Step 4: Simplify right side
    134,463.63x = 14,309,014,794.92
  5. Step 5: Solve for x
    x = 14,309,014,794.92/134,463.63
  6. Step 6: Final answer
    x = 106,415.50

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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.