Home / 140,071.02-210,119.37-55,810.74

Finding the Fourth Proportional to 140,071.02, 210,119.37 and 55,810.74

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Solution

The fourth proportional to 140,071.02, 210,119.37 and 55,810.74 is: 83,721.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,071.02 : 210,119.37 = 55,810.74 : x
  2. Step 2: Convert to fraction form
    140,071.02/210,119.37 = 55,810.74/x
  3. Step 3: Cross multiply
    140,071.02x = 210,119.37 × 55,810.74
  4. Step 4: Simplify right side
    140,071.02x = 11,726,917,528.03
  5. Step 5: Solve for x
    x = 11,726,917,528.03/140,071.02
  6. Step 6: Final answer
    x = 83,721.23

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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.