Home / 152,957.70-229,436.55-99,813.60

Finding the Fourth Proportional to 152,957.70, 229,436.55 and 99,813.60

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Solution

The fourth proportional to 152,957.70, 229,436.55 and 99,813.60 is: 149,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,957.70 : 229,436.55 = 99,813.60 : x
  2. Step 2: Convert to fraction form
    152,957.70/229,436.55 = 99,813.60/x
  3. Step 3: Cross multiply
    152,957.70x = 229,436.55 × 99,813.60
  4. Step 4: Simplify right side
    152,957.70x = 22,900,888,027.08
  5. Step 5: Solve for x
    x = 22,900,888,027.08/152,957.70
  6. Step 6: Final answer
    x = 149,720.40

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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.