Home / 99,288.13-137,014.24-56,838.46

Finding the Fourth Proportional to 99,288.13, 137,014.24 and 56,838.46

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Solution

The fourth proportional to 99,288.13, 137,014.24 and 56,838.46 is: 78,435.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,288.13 : 137,014.24 = 56,838.46 : x
  2. Step 2: Convert to fraction form
    99,288.13/137,014.24 = 56,838.46/x
  3. Step 3: Cross multiply
    99,288.13x = 137,014.24 × 56,838.46
  4. Step 4: Simplify right side
    99,288.13x = 7,787,678,399.67
  5. Step 5: Solve for x
    x = 7,787,678,399.67/99,288.13
  6. Step 6: Final answer
    x = 78,435.14

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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.