Home / 163,476-243,783.42-161,981.26

Finding the Fourth Proportional to 163,476, 243,783.42 and 161,981.26

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Solution

The fourth proportional to 163,476, 243,783.42 and 161,981.26 is: 241,554.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,476 : 243,783.42 = 161,981.26 : x
  2. Step 2: Convert to fraction form
    163,476/243,783.42 = 161,981.26/x
  3. Step 3: Cross multiply
    163,476x = 243,783.42 × 161,981.26
  4. Step 4: Simplify right side
    163,476x = 39,488,345,538.71
  5. Step 5: Solve for x
    x = 39,488,345,538.71/163,476
  6. Step 6: Final answer
    x = 241,554.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.