Home / 152,628.11-228,951.12-51,417.71

Finding the Fourth Proportional to 152,628.11, 228,951.12 and 51,417.71

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Solution

The fourth proportional to 152,628.11, 228,951.12 and 51,417.71 is: 77,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,628.11 : 228,951.12 = 51,417.71 : x
  2. Step 2: Convert to fraction form
    152,628.11/228,951.12 = 51,417.71/x
  3. Step 3: Cross multiply
    152,628.11x = 228,951.12 × 51,417.71
  4. Step 4: Simplify right side
    152,628.11x = 11,772,142,864.71
  5. Step 5: Solve for x
    x = 11,772,142,864.71/152,628.11
  6. Step 6: Final answer
    x = 77,129.58

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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.