Home / 345,748.04-518,622.14-109,109.16

Finding the Fourth Proportional to 345,748.04, 518,622.14 and 109,109.16

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Solution

The fourth proportional to 345,748.04, 518,622.14 and 109,109.16 is: 163,663.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,748.04 : 518,622.14 = 109,109.16 : x
  2. Step 2: Convert to fraction form
    345,748.04/518,622.14 = 109,109.16/x
  3. Step 3: Cross multiply
    345,748.04x = 518,622.14 × 109,109.16
  4. Step 4: Simplify right side
    345,748.04x = 56,586,426,052.80
  5. Step 5: Solve for x
    x = 56,586,426,052.80/345,748.04
  6. Step 6: Final answer
    x = 163,663.77

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1.5x scale

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.