Home / 109,119.78-163,613.79-42,547.14

Finding the Fourth Proportional to 109,119.78, 163,613.79 and 42,547.14

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Solution

The fourth proportional to 109,119.78, 163,613.79 and 42,547.14 is: 63,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,119.78 : 163,613.79 = 42,547.14 : x
  2. Step 2: Convert to fraction form
    109,119.78/163,613.79 = 42,547.14/x
  3. Step 3: Cross multiply
    109,119.78x = 163,613.79 × 42,547.14
  4. Step 4: Simplify right side
    109,119.78x = 6,961,298,829.06
  5. Step 5: Solve for x
    x = 6,961,298,829.06/109,119.78
  6. Step 6: Final answer
    x = 63,795.02

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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.