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Finding the Fourth Proportional to 152,107.60, 209,960.76 and 88,465.36

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Solution

The fourth proportional to 152,107.60, 209,960.76 and 88,465.36 is: 122,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,107.60 : 209,960.76 = 88,465.36 : x
  2. Step 2: Convert to fraction form
    152,107.60/209,960.76 = 88,465.36/x
  3. Step 3: Cross multiply
    152,107.60x = 209,960.76 × 88,465.36
  4. Step 4: Simplify right side
    152,107.60x = 18,574,254,219.27
  5. Step 5: Solve for x
    x = 18,574,254,219.27/152,107.60
  6. Step 6: Final answer
    x = 122,112.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.