Home / 112,742.40-168,802.56-57,066.24

Finding the Fourth Proportional to 112,742.40, 168,802.56 and 57,066.24

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Solution

The fourth proportional to 112,742.40, 168,802.56 and 57,066.24 is: 85,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,742.40 : 168,802.56 = 57,066.24 : x
  2. Step 2: Convert to fraction form
    112,742.40/168,802.56 = 57,066.24/x
  3. Step 3: Cross multiply
    112,742.40x = 168,802.56 × 57,066.24
  4. Step 4: Simplify right side
    112,742.40x = 9,632,927,401.57
  5. Step 5: Solve for x
    x = 9,632,927,401.57/112,742.40
  6. Step 6: Final answer
    x = 85,441.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.