Home / 309,117.07-463,707.05-106,686.83

Finding the Fourth Proportional to 309,117.07, 463,707.05 and 106,686.83

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Solution

The fourth proportional to 309,117.07, 463,707.05 and 106,686.83 is: 160,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,117.07 : 463,707.05 = 106,686.83 : x
  2. Step 2: Convert to fraction form
    309,117.07/463,707.05 = 106,686.83/x
  3. Step 3: Cross multiply
    309,117.07x = 463,707.05 × 106,686.83
  4. Step 4: Simplify right side
    309,117.07x = 49,471,435,838.99
  5. Step 5: Solve for x
    x = 49,471,435,838.99/309,117.07
  6. Step 6: Final answer
    x = 160,041.10

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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.