Home / 152,342.10-228,124.35-121,238.10

Finding the Fourth Proportional to 152,342.10, 228,124.35 and 121,238.10

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Solution

The fourth proportional to 152,342.10, 228,124.35 and 121,238.10 is: 181,547.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,342.10 : 228,124.35 = 121,238.10 : x
  2. Step 2: Convert to fraction form
    152,342.10/228,124.35 = 121,238.10/x
  3. Step 3: Cross multiply
    152,342.10x = 228,124.35 × 121,238.10
  4. Step 4: Simplify right side
    152,342.10x = 27,657,362,757.74
  5. Step 5: Solve for x
    x = 27,657,362,757.74/152,342.10
  6. Step 6: Final answer
    x = 181,547.73

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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.