Home / 212,100.47-292,699.40-116,613.21

Finding the Fourth Proportional to 212,100.47, 292,699.40 and 116,613.21

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Solution

The fourth proportional to 212,100.47, 292,699.40 and 116,613.21 is: 160,926.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,100.47 : 292,699.40 = 116,613.21 : x
  2. Step 2: Convert to fraction form
    212,100.47/292,699.40 = 116,613.21/x
  3. Step 3: Cross multiply
    212,100.47x = 292,699.40 × 116,613.21
  4. Step 4: Simplify right side
    212,100.47x = 34,132,616,599.07
  5. Step 5: Solve for x
    x = 34,132,616,599.07/212,100.47
  6. Step 6: Final answer
    x = 160,926.64

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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.