Home / 140,566.80-210,947.40-101,152.20

Finding the Fourth Proportional to 140,566.80, 210,947.40 and 101,152.20

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Solution

The fourth proportional to 140,566.80, 210,947.40 and 101,152.20 is: 151,798.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,566.80 : 210,947.40 = 101,152.20 : x
  2. Step 2: Convert to fraction form
    140,566.80/210,947.40 = 101,152.20/x
  3. Step 3: Cross multiply
    140,566.80x = 210,947.40 × 101,152.20
  4. Step 4: Simplify right side
    140,566.80x = 21,337,793,594.28
  5. Step 5: Solve for x
    x = 21,337,793,594.28/140,566.80
  6. Step 6: Final answer
    x = 151,798.25

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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.