Home / 219,322.13-302,665.46-118,720.13

Finding the Fourth Proportional to 219,322.13, 302,665.46 and 118,720.13

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Solution

The fourth proportional to 219,322.13, 302,665.46 and 118,720.13 is: 163,834.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,322.13 : 302,665.46 = 118,720.13 : x
  2. Step 2: Convert to fraction form
    219,322.13/302,665.46 = 118,720.13/x
  3. Step 3: Cross multiply
    219,322.13x = 302,665.46 × 118,720.13
  4. Step 4: Simplify right side
    219,322.13x = 35,932,482,757.71
  5. Step 5: Solve for x
    x = 35,932,482,757.71/219,322.13
  6. Step 6: Final answer
    x = 163,834.28

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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.