Home / 215,908.04-323,857.20-97,547.60

Finding the Fourth Proportional to 215,908.04, 323,857.20 and 97,547.60

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Solution

The fourth proportional to 215,908.04, 323,857.20 and 97,547.60 is: 146,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,908.04 : 323,857.20 = 97,547.60 : x
  2. Step 2: Convert to fraction form
    215,908.04/323,857.20 = 97,547.60/x
  3. Step 3: Cross multiply
    215,908.04x = 323,857.20 × 97,547.60
  4. Step 4: Simplify right side
    215,908.04x = 31,591,492,602.72
  5. Step 5: Solve for x
    x = 31,591,492,602.72/215,908.04
  6. Step 6: Final answer
    x = 146,319.20

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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.