Home / 140,070.40-210,118.64-55,810.24

Finding the Fourth Proportional to 140,070.40, 210,118.64 and 55,810.24

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Solution

The fourth proportional to 140,070.40, 210,118.64 and 55,810.24 is: 83,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,070.40 : 210,118.64 = 55,810.24 : x
  2. Step 2: Convert to fraction form
    140,070.40/210,118.64 = 55,810.24/x
  3. Step 3: Cross multiply
    140,070.40x = 210,118.64 × 55,810.24
  4. Step 4: Simplify right side
    140,070.40x = 11,726,771,726.87
  5. Step 5: Solve for x
    x = 11,726,771,726.87/140,070.40
  6. Step 6: Final answer
    x = 83,720.56

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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.