Home / 210,005.48-315,009.36-52,233.93

Finding the Fourth Proportional to 210,005.48, 315,009.36 and 52,233.93

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Solution

The fourth proportional to 210,005.48, 315,009.36 and 52,233.93 is: 78,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,005.48 : 315,009.36 = 52,233.93 : x
  2. Step 2: Convert to fraction form
    210,005.48/315,009.36 = 52,233.93/x
  3. Step 3: Cross multiply
    210,005.48x = 315,009.36 × 52,233.93
  4. Step 4: Simplify right side
    210,005.48x = 16,454,176,859.58
  5. Step 5: Solve for x
    x = 16,454,176,859.58/210,005.48
  6. Step 6: Final answer
    x = 78,351.18

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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.