Home / 148,208.58-204,117.39-128,059.02

Finding the Fourth Proportional to 148,208.58, 204,117.39 and 128,059.02

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Solution

The fourth proportional to 148,208.58, 204,117.39 and 128,059.02 is: 176,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,208.58 : 204,117.39 = 128,059.02 : x
  2. Step 2: Convert to fraction form
    148,208.58/204,117.39 = 128,059.02/x
  3. Step 3: Cross multiply
    148,208.58x = 204,117.39 × 128,059.02
  4. Step 4: Simplify right side
    148,208.58x = 26,139,072,928.36
  5. Step 5: Solve for x
    x = 26,139,072,928.36/148,208.58
  6. Step 6: Final answer
    x = 176,366.80

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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.