Home / 112,802.76-168,812.46-70,090.65

Finding the Fourth Proportional to 112,802.76, 168,812.46 and 70,090.65

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Solution

The fourth proportional to 112,802.76, 168,812.46 and 70,090.65 is: 104,892.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,802.76 : 168,812.46 = 70,090.65 : x
  2. Step 2: Convert to fraction form
    112,802.76/168,812.46 = 70,090.65/x
  3. Step 3: Cross multiply
    112,802.76x = 168,812.46 × 70,090.65
  4. Step 4: Simplify right side
    112,802.76x = 11,832,175,049.50
  5. Step 5: Solve for x
    x = 11,832,175,049.50/112,802.76
  6. Step 6: Final answer
    x = 104,892.60

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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.