Home / 144,623.95-199,557.30-90,870.90

Finding the Fourth Proportional to 144,623.95, 199,557.30 and 90,870.90

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Solution

The fourth proportional to 144,623.95, 199,557.30 and 90,870.90 is: 125,386.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,623.95 : 199,557.30 = 90,870.90 : x
  2. Step 2: Convert to fraction form
    144,623.95/199,557.30 = 90,870.90/x
  3. Step 3: Cross multiply
    144,623.95x = 199,557.30 × 90,870.90
  4. Step 4: Simplify right side
    144,623.95x = 18,133,951,452.57
  5. Step 5: Solve for x
    x = 18,133,951,452.57/144,623.95
  6. Step 6: Final answer
    x = 125,386.92

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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.