Home / 218,201.02-301,121.52-127,564.72

Finding the Fourth Proportional to 218,201.02, 301,121.52 and 127,564.72

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Solution

The fourth proportional to 218,201.02, 301,121.52 and 127,564.72 is: 176,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,201.02 : 301,121.52 = 127,564.72 : x
  2. Step 2: Convert to fraction form
    218,201.02/301,121.52 = 127,564.72/x
  3. Step 3: Cross multiply
    218,201.02x = 301,121.52 × 127,564.72
  4. Step 4: Simplify right side
    218,201.02x = 38,412,482,384.77
  5. Step 5: Solve for x
    x = 38,412,482,384.77/218,201.02
  6. Step 6: Final answer
    x = 176,041.72

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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.