Home / 102,303.28-141,182.36-56,364.81

Finding the Fourth Proportional to 102,303.28, 141,182.36 and 56,364.81

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Solution

The fourth proportional to 102,303.28, 141,182.36 and 56,364.81 is: 77,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,303.28 : 141,182.36 = 56,364.81 : x
  2. Step 2: Convert to fraction form
    102,303.28/141,182.36 = 56,364.81/x
  3. Step 3: Cross multiply
    102,303.28x = 141,182.36 × 56,364.81
  4. Step 4: Simplify right side
    102,303.28x = 7,957,716,896.75
  5. Step 5: Solve for x
    x = 7,957,716,896.75/102,303.28
  6. Step 6: Final answer
    x = 77,785.55

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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.