Home / 162,009.12-242,929.44-73,220.16

Finding the Fourth Proportional to 162,009.12, 242,929.44 and 73,220.16

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Solution

The fourth proportional to 162,009.12, 242,929.44 and 73,220.16 is: 109,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,009.12 : 242,929.44 = 73,220.16 : x
  2. Step 2: Convert to fraction form
    162,009.12/242,929.44 = 73,220.16/x
  3. Step 3: Cross multiply
    162,009.12x = 242,929.44 × 73,220.16
  4. Step 4: Simplify right side
    162,009.12x = 17,787,332,465.51
  5. Step 5: Solve for x
    x = 17,787,332,465.51/162,009.12
  6. Step 6: Final answer
    x = 109,792.17

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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.