Home / 140,420.75-210,587.38-46,904.63

Finding the Fourth Proportional to 140,420.75, 210,587.38 and 46,904.63

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Solution

The fourth proportional to 140,420.75, 210,587.38 and 46,904.63 is: 70,342.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,420.75 : 210,587.38 = 46,904.63 : x
  2. Step 2: Convert to fraction form
    140,420.75/210,587.38 = 46,904.63/x
  3. Step 3: Cross multiply
    140,420.75x = 210,587.38 × 46,904.63
  4. Step 4: Simplify right side
    140,420.75x = 9,877,521,971.37
  5. Step 5: Solve for x
    x = 9,877,521,971.37/140,420.75
  6. Step 6: Final answer
    x = 70,342.33

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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.