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Finding the Fourth Proportional to 117,009.40, 175,514.10 and 97,569.40

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Solution

The fourth proportional to 117,009.40, 175,514.10 and 97,569.40 is: 146,354.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,009.40 : 175,514.10 = 97,569.40 : x
  2. Step 2: Convert to fraction form
    117,009.40/175,514.10 = 97,569.40/x
  3. Step 3: Cross multiply
    117,009.40x = 175,514.10 × 97,569.40
  4. Step 4: Simplify right side
    117,009.40x = 17,124,805,428.54
  5. Step 5: Solve for x
    x = 17,124,805,428.54/117,009.40
  6. Step 6: Final answer
    x = 146,354.10

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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.