Home / 123,030.45-184,545.65-70,402.73

Finding the Fourth Proportional to 123,030.45, 184,545.65 and 70,402.73

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Solution

The fourth proportional to 123,030.45, 184,545.65 and 70,402.73 is: 105,604.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,030.45 : 184,545.65 = 70,402.73 : x
  2. Step 2: Convert to fraction form
    123,030.45/184,545.65 = 70,402.73/x
  3. Step 3: Cross multiply
    123,030.45x = 184,545.65 × 70,402.73
  4. Step 4: Simplify right side
    123,030.45x = 12,992,516,294.88
  5. Step 5: Solve for x
    x = 12,992,516,294.88/123,030.45
  6. Step 6: Final answer
    x = 105,604.07

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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.