Home / 130,007.27-179,465.28-79,036.28

Finding the Fourth Proportional to 130,007.27, 179,465.28 and 79,036.28

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Solution

The fourth proportional to 130,007.27, 179,465.28 and 79,036.28 is: 109,103.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,007.27 : 179,465.28 = 79,036.28 : x
  2. Step 2: Convert to fraction form
    130,007.27/179,465.28 = 79,036.28/x
  3. Step 3: Cross multiply
    130,007.27x = 179,465.28 × 79,036.28
  4. Step 4: Simplify right side
    130,007.27x = 14,184,267,874.75
  5. Step 5: Solve for x
    x = 14,184,267,874.75/130,007.27
  6. Step 6: Final answer
    x = 109,103.65

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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.