Home / 140,803.74-210,148.07-121,744.26

Finding the Fourth Proportional to 140,803.74, 210,148.07 and 121,744.26

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Solution

The fourth proportional to 140,803.74, 210,148.07 and 121,744.26 is: 181,702.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,803.74 : 210,148.07 = 121,744.26 : x
  2. Step 2: Convert to fraction form
    140,803.74/210,148.07 = 121,744.26/x
  3. Step 3: Cross multiply
    140,803.74x = 210,148.07 × 121,744.26
  4. Step 4: Simplify right side
    140,803.74x = 25,584,320,663.86
  5. Step 5: Solve for x
    x = 25,584,320,663.86/140,803.74
  6. Step 6: Final answer
    x = 181,702.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.