Home / 94,687.32-130,856.58-77,665.08

Finding the Fourth Proportional to 94,687.32, 130,856.58 and 77,665.08

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Solution

The fourth proportional to 94,687.32, 130,856.58 and 77,665.08 is: 107,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,687.32 : 130,856.58 = 77,665.08 : x
  2. Step 2: Convert to fraction form
    94,687.32/130,856.58 = 77,665.08/x
  3. Step 3: Cross multiply
    94,687.32x = 130,856.58 × 77,665.08
  4. Step 4: Simplify right side
    94,687.32x = 10,162,986,754.23
  5. Step 5: Solve for x
    x = 10,162,986,754.23/94,687.32
  6. Step 6: Final answer
    x = 107,332.08

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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.