Home / 147,146.95-203,124.50-99,464.89

Finding the Fourth Proportional to 147,146.95, 203,124.50 and 99,464.89

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Solution

The fourth proportional to 147,146.95, 203,124.50 and 99,464.89 is: 137,303.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,146.95 : 203,124.50 = 99,464.89 : x
  2. Step 2: Convert to fraction form
    147,146.95/203,124.50 = 99,464.89/x
  3. Step 3: Cross multiply
    147,146.95x = 203,124.50 × 99,464.89
  4. Step 4: Simplify right side
    147,146.95x = 20,203,755,086.36
  5. Step 5: Solve for x
    x = 20,203,755,086.36/147,146.95
  6. Step 6: Final answer
    x = 137,303.25

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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.