Home / 112,476.69-155,210.44-64,722.33

Finding the Fourth Proportional to 112,476.69, 155,210.44 and 64,722.33

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Solution

The fourth proportional to 112,476.69, 155,210.44 and 64,722.33 is: 89,312.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,476.69 : 155,210.44 = 64,722.33 : x
  2. Step 2: Convert to fraction form
    112,476.69/155,210.44 = 64,722.33/x
  3. Step 3: Cross multiply
    112,476.69x = 155,210.44 × 64,722.33
  4. Step 4: Simplify right side
    112,476.69x = 10,045,581,317.13
  5. Step 5: Solve for x
    x = 10,045,581,317.13/112,476.69
  6. Step 6: Final answer
    x = 89,312.56

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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.