Home / 99,365.24-137,143.50-56,952.20

Finding the Fourth Proportional to 99,365.24, 137,143.50 and 56,952.20

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Solution

The fourth proportional to 99,365.24, 137,143.50 and 56,952.20 is: 78,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,365.24 : 137,143.50 = 56,952.20 : x
  2. Step 2: Convert to fraction form
    99,365.24/137,143.50 = 56,952.20/x
  3. Step 3: Cross multiply
    99,365.24x = 137,143.50 × 56,952.20
  4. Step 4: Simplify right side
    99,365.24x = 7,810,624,040.70
  5. Step 5: Solve for x
    x = 7,810,624,040.70/99,365.24
  6. Step 6: Final answer
    x = 78,605.19

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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.