Home / 210,357.54-290,330.82-124,312.86

Finding the Fourth Proportional to 210,357.54, 290,330.82 and 124,312.86

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Solution

The fourth proportional to 210,357.54, 290,330.82 and 124,312.86 is: 171,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,357.54 : 290,330.82 = 124,312.86 : x
  2. Step 2: Convert to fraction form
    210,357.54/290,330.82 = 124,312.86/x
  3. Step 3: Cross multiply
    210,357.54x = 290,330.82 × 124,312.86
  4. Step 4: Simplify right side
    210,357.54x = 36,091,854,580.35
  5. Step 5: Solve for x
    x = 36,091,854,580.35/210,357.54
  6. Step 6: Final answer
    x = 171,573.86

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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.