Home / 212,829.76-293,707.04-117,339.84

Finding the Fourth Proportional to 212,829.76, 293,707.04 and 117,339.84

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Solution

The fourth proportional to 212,829.76, 293,707.04 and 117,339.84 is: 161,930.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,829.76 : 293,707.04 = 117,339.84 : x
  2. Step 2: Convert to fraction form
    212,829.76/293,707.04 = 117,339.84/x
  3. Step 3: Cross multiply
    212,829.76x = 293,707.04 × 117,339.84
  4. Step 4: Simplify right side
    212,829.76x = 34,463,537,080.47
  5. Step 5: Solve for x
    x = 34,463,537,080.47/212,829.76
  6. Step 6: Final answer
    x = 161,930.07

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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.