Home / 140,528.54-210,803.80-40,690.22

Finding the Fourth Proportional to 140,528.54, 210,803.80 and 40,690.22

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Solution

The fourth proportional to 140,528.54, 210,803.80 and 40,690.22 is: 61,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,528.54 : 210,803.80 = 40,690.22 : x
  2. Step 2: Convert to fraction form
    140,528.54/210,803.80 = 40,690.22/x
  3. Step 3: Cross multiply
    140,528.54x = 210,803.80 × 40,690.22
  4. Step 4: Simplify right side
    140,528.54x = 8,577,652,998.84
  5. Step 5: Solve for x
    x = 8,577,652,998.84/140,528.54
  6. Step 6: Final answer
    x = 61,038.51

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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.