Home / 112,320.41-155,036.49-69,313.06

Finding the Fourth Proportional to 112,320.41, 155,036.49 and 69,313.06

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Solution

The fourth proportional to 112,320.41, 155,036.49 and 69,313.06 is: 95,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,320.41 : 155,036.49 = 69,313.06 : x
  2. Step 2: Convert to fraction form
    112,320.41/155,036.49 = 69,313.06/x
  3. Step 3: Cross multiply
    112,320.41x = 155,036.49 × 69,313.06
  4. Step 4: Simplify right side
    112,320.41x = 10,746,053,533.56
  5. Step 5: Solve for x
    x = 10,746,053,533.56/112,320.41
  6. Step 6: Final answer
    x = 95,673.20

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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.